All items are VF and fresh, and Scott numbers stated, unless otherwise described.
Proofs take a variety of forms and represent the progress of the creation of the final stamp image. Die proofs of the unfinished design ("stages") can show the work of the engraver as it progress, while the final die proof shows the finished engraving. Because die proofs are typically pulled from the actual original engraving, the impression quality is typically superior to that of the issued stamp. A "sunken" die proof has the die impression in an embossed area that "frames" it. Color proofs are experiments or trials to determine which color(s) best present the image. In the case of multi-colored stamps, slightly changes in the combinations of colors can make dramatic differences in the final stamp image.
Discussions with experts on proofs of Monaco and the "French area" have given me the following understanding...
Monaco die proofs were prepared in two types: "final" and "stage" (unfinished design). Typically about 19 final die proofs are prepared; of these more are black (typically 10) plus perhaps 3 each of 3 other colors. The die proofs are normally single color. Some examples, at least of the black, usually exist in private hands. The "stage" die proofs, at least as officially released (i.e. other than proofs prepared by the engraver to check on progress), typically exist at only a single stage of the engraving process; typically only 3 "stage" die proofs are prepared (and may or may not exist in private hands).
Plate/Color proof sheets were prepared of both the stamps issued in sheets of 10 (usually the larger-format stamps) and the sheets of 30 stamps. The sheets of 10 are typically printed on a 6-color press, while the sheets of 30 stamps are typically printed on a 3-color press. It appears that typically 13 different proof sheets were prepared; each of the 13 contains different colors and/or combinations of colors, thus each of the 13 sheets would typically look dramatically different. It seems that only ONE of each of these 13 proof sheets exists/existed in private hands (and many have been broken up over the years). The proof sheets of 10 stamps typically contain all-different colors or combinations of colors, thus each individual proof may be unique in private hands! The proof sheets of 30 stamps for single-color stamp issues typically repeat only the 3 single colors (they were printed on a 3-color press) and do not include color combinations; because of the 6-row by 5-column configuration and the way the colors are used, typically one color exists in 6 more examples than the other two colors. The proof sheets of 30 stamps for multi-color stamp issues typically contain 6 sets or 3-strips of 3 single colors, plus an additional 6 examples of one of the single colors, plus typically 6 2-color or 3-color combinations. Those particular color combinations thus typically appear to be unique in private hands.
Monaco is one of the few "Slania countries" from which any form of proof material is available to collectors. Such material is completely legitimate, usually bearing an official control imprint (some issues exist without the marking, but seem to be much scarcer in that form), often being presented to government officials or other dignitaries, or being sold on behalf of the postal museum. Proofs of Monaco Slania-engraved stamps are scarce and very much sought after.
All items are VF and fresh. If you are seeking this type of material, please let me know of your interest; such items seldom make it into my price lists. I am always interested in buying such material.
Items marked "Reference" are shown for informational purposes only and have already been sold; please do not try to order them. Please see subsequent pages...
While I hope that the items offered as the intact proof sheets will find new homes as intact sheets, it is quite possible that some of these sheets will be broken up. If you have an interest in any individual items or sets of items from any of the listed full sheets, please inform me immediately so that you will have highest possible priority on the waiting list.
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US$
232753
Scott #974 [1975 European Architectural Year; National Museum] imperforate color plate proof complete sheet of 30 in experimental colors. The extreme lower right corner (far away from the stamps) is thinned, but is of no consequence to the value of the sheet. The top four rows are in single colors; the colors are very close to the final colors used (in combination) for the issued stamp. Each of the first four rows is all the same color, in order from top: light blue, green, brown, and brown again. The stamps in the bottom (fifth) row, are each different three-color combinations. The colors of the text at top and/or bottom, tree, building components, groundcover at bottom, etc. all vary differently. The lower right stamp uses the same color combination/usages as the issued stamp, however, the blue and green are slightly darker on the issued stamp. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only six sets of the three single colors exist (plus six extra of the brown) and the six combinations are unique in private hands. This sheet does have the usual oval control imprints on the reverse. This stamp issue relates to a couple popular topics/thematics, including Europa. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2900; perhaps higher due to the thematic appeal.
2425.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232764
Scott #991 [1975 2.00 fr Prince Honore III] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does have the usual oval control imprints on the reverse. All ten stamps are obviously different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232765
Scott #992 [1975 4.00 fr Princess Catherine De Brignole-Sale] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). Though the bottom-row stamps look very similar, all ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232767
Scott #1036 [1976 4.00 fr Princess Louise d Aumont-Mazarin] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are obviously different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
234171
Scott #1135 [1978 2.00 fr Prince Florestan I] imperforate color plate proof left margin gutter pair with print date in margin. Upper stamp only inked with underprint colors; the other design elements are all present but are albino. A very dramatic example of the engraving art showing the lengths to which the engraver will go to create the overall impression given by an image. Lower stamp is with underprint and is very close to issued stamp except that the colors are not as bright, the lettering is dark green instead of blue, and a portion of the underprint is brown instead of yellow. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This proof does not have the usual oval control imprints on the reverse (quite unusual).
300.00
234172
Scott #1135 [1978 2.00 fr Prince Florestan I] imperforate color plate proof right margin gutter pair. Upper stamp in dark green only, with underprint only in brown. Lower stamp is with underprint in three colors (general area brown instead of yellow) and is similar to issued stamp except that the general background and frame is brown instead of green. The appearance is quite dramatic. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This proof does not have the usual oval control imprints on the reverse (quite unusual).
300.00
234173
Scott #1135 [1978 2.00 fr Prince Florestan I] imperforate color plate proof gutter pair. Upper stamp in dark blue only, with underprint only in red. Lower stamp similar to issued stamp except that background is blue instead of green, coat is green instead of blue, and the background underprint is brown instead of yellow. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This proof does not have the usual oval control imprints on the reverse (quite unusual).
300.00
234175
Scott #1135 [1978 2.00 fr Prince Florestan I] imperforate color plate proof single. Similar to issued stamp except that colors are not as bright, the lettering is green instead of blue, and it is entirely without underprinting. This was the only proof in the sheet from which it came that was without underprinting; it is interesting as an illustration of how such a hard-to-see underprint adds (or not, in this case) such richness to the overall stamp. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This proof does not have the usual oval control imprints on the reverse (quite unusual).
165.00
234176
Scott #1135 [1978 2.00 fr Prince Florestan I] imperforate color plate proof single. Similar to issued stamp except that colors are not as bright and the background underprinting is brown instead of yellow. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This proof does not have the usual oval control imprints on the reverse (quite unusual).
155.00
232771
Scott #1187 [1979 3.00 fr Prince Charles III] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. This sheet bears the ink color codes for all six colors, and furthermore defines the inks used to create various colors by weight of the inks in the formula for each color; this is the only such example, with such detail, that has been recorded by the French-area proof experts I have consulted. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
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US$
232772
Scott #1188 [1979 4.00 fr Princess Antoinette De Merode] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
234197
Scott #1200 [1980 1.10 Rainier] Imperforate color plate proof left margin 3-strip in three different single colors on white stamp paper. Stamp colors (left to right): gray, darker gray, brownish black. The original sheet-wide strip had two more stamps to the right; gray and darker gray. The pattern of colors may or may not have been the same throughout this proof sheet. (The issued stamp was printed in green; the gray colors of this proof are similar to the 1980 1.60 Rainier stamp.) With the Monaco Philatelic Museum handstamps on reverse. Proofs of the definitive issue stamps seem to be much scarcer than those of commemoratives.
300.00
234198
Scott #1200 [1980 1.10 Rainier] Imperforate color plate proof single in gray on white stamp paper. (The issued stamp was printed in green; the gray color of this proof are similar to the 1980 1.60 Rainier stamp.) With the Monaco Philatelic Museum handstamp on reverse. Proofs of the definitive issue stamps seem to be much scarcer than those of commemoratives.
100.00
232773
Scott #1246 [1980 4.00 fr Prince Albert I] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232774
Scott #1247 [1980 4.00 fr Princess Marie Alice Heine] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232775
Scott #1302 [1981 3.00 fr Prince Louis II] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Princes" issue, the typical proof sheet arrangement consists of the first stamp in the top row showing the background colors (all the colors are engraved which again proves that Slania was a master), followed by four dramatic proofs showing combinations of foreground colors and (sometimes quite odd) partial background colors. The bottom row typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the color shades of the costumes and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the bottom-row stamps looks very much like the issued stamp, though there are usually still small differences. Such proofs sheets are usually wonderful "riots of color" that showcase the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1750 range.
1300.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232754
Scott #1338 [1981 Monaco Cathedral; Arms of Pope John Paul II and Monaco; commemorating the creation of the archbishopric of Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. The top four rows, except for the first stamp in the fourth row, are in single colors. The single-color four rows are, in order from top: carmine (RO205), olive brown (BR605), and olive green (VE513), followed by (except for first stamp in fourth row) carmine again. The stamps in the bottom (fifth) row, as well as the first stamp in the fourth row, are each different three-color combinations. The colors combinations of the many different design components all vary greatly, creating significantly different effects. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only six sets of the three single colors exist (plus five extra of the carmine) and the seven combinations are unique in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2950.
2350.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232779
Scott #1385 [1983 3.00 fr Monaco Belle Epoch (Beautiful Era) by Clerissi] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Belle Epoch" issues, the typical proof sheet arrangement consists of the bottom stamp in the left column showing the background colors (all the colors are engraved which again proves that Slania was a master), followed above by a wonderful single-color proof and three dramatic proofs showing combinations of foreground colors and partial background colors. The right column typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the colors of the buildings and backgrounds, and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the right-column stamps looks very much like the issued stamp, though there are usually still small differences. Such proof sheets are wonderful showcases of the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1700 range.
1200.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232780
Scott #1386 [1983 5.00 fr Monaco Belle Epoch (Beautiful Era) by Clerissi] imperforate color plate proof complete sheet of 10 in experimental colors. In the "Belle Epoch" issues, the typical proof sheet arrangement consists of the bottom stamp in the left column showing the background colors (all the colors are engraved which again proves that Slania was a master), followed above by a wonderful single-color proof and three dramatic proofs showing combinations of foreground colors and partial background colors. The right column typically contains complete foreground and background color proofs, but with various, often subtle color combinations, especially in the colors of the buildings and backgrounds, and the colors of the text at top and bottom. Sometimes the text color differences are hard to see in a picture. Typically one of the right-column stamps looks very much like the issued stamp, though there are usually still small differences. Such proof sheets are wonderful showcases of the skill of the master engraver, Slania. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, each of these proofs could be unique private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual). All ten stamps are different. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in the $1500-1700 range.
1200.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232755
Scott #1410-17 [1984 0.05 - 6.00 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheets of 30 in experimental colors. The complete set of 8 sheets offered below, containing a total of 240 proofs (!!!) is at a 15% discount from the individual sheet prices, which are already priced approximately 20% below break-up value.
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US$
232756
Scott #1410 [1984 0.05 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: red (RO210), green (VE515), and olive brown (BR605), followed by red again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the red) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). This particular design includes a street car on rails, a popular topical/thematic subject of great interest to railway collectors. Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500, plus the additional value coming thematic demand.
2175.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232757
Scott #1411 [1984 0.10 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: brown (BR607), bright green (VE509), and ultramarine (BL512), followed by brown again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the brown) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500.
1995.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232758
Scott #1412 [1984 0.15 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: red brown (BR617), yellow brown (BR615), and brown (BR618), followed by red brown again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the red brown) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500.
1995.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232759
Scott #1413 [1984 0.20 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: dark carmine (RO211), dark green (VE512), and bluish green (VE510), followed by dark carmine again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the dark carmine) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500.
1995.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232760
Scott #1414 [1984 0.30 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: red brown (BR617), yellow brown (BR615), and violet (VT307), followed by red brown again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the red brown) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500. The ship/boats subject has additional topical/thematic appeal.
2050.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232761
Scott #1415 [1984 0.40 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: bluish green (BL413), ultramarine (BL408), and bright blue (BL404), followed by bluish green again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the bluish green) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500. The automobile subject has additional topical/thematic appeal.
2050.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232762
Scott #1416 [1984 3.00 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: purple (VT308), olive green (BR605), and carmine (RO211), followed by purple again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the purple) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500.
1995.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
232763
Scott #1417 [1984 6.00 fr Clerissi Sketches of Old Monaco] imperforate color plate proof complete sheet of 30 in experimental colors. All stamps are in single colors; the issue was conceived as single-color stamps. The single-color columns are, in order from left: blue (BL405), ultramarine (BL408), and violet ultramarine (BL411), followed by blue again. The stamps in the right (fifth) column, twice sequentially repeat these three colors in reverse order. Based on my understanding that there is only one proof sheet of any particular "color set" in private hands, this means that only eight sets of the three single colors (plus six extra of the blue) exist in private hands. This sheet does not have the usual oval control imprints on the reverse (quite unusual without the marking). Based on long experience with Slania-engraved Monaco proofs, the break-up value is in excess of $2500.
1995.00
[There is the possibility that this sheet may be broken up. If you would be interested in any item(s) from the sheet, please inform me immediately.]
233374
Scott #1500 s/s [1985 100th Anniv. of Monaco Stamps (stamp on stamp design)] imperforate color plate proof souvenir sheet in a experimental colors: blue with dark blue frame text at top and bottom. Mint hinged. On reverse has the expected oval control imprints. Plate proofs of any of the souvenir sheets are extremely scarce. This one has a very dramatic appearance!
325.00
234295
Scott #1513 [1986 10.00 Rainier and Albert] Imperforate color plate proof left margin single in brownish orange red on white stamp paper. (The issued stamp was printed in magenta.) Without the Monaco Philatelic Museum handstamp on reverse; scarce thus. Proofs of the definitive issue stamps seem to be much scarcer than those of commemoratives.
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US$
233415
Scott #1607a-c [1987 Philatelic Bureau, three designs] Set of three matching sunken die proofs in Dark Brownish Maroon, with postal museum handstamp on reverse. This set of proofs is known, but seems to be extremely scarce. As of 2/10, I am aware of two other sets in private hands, but this is the only set I have ever seen.