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| Some of the Icelandic postage stamps in current use between 15 April 1920 and 31 December 1921 (which includes some of the Two Kings stamps issued as early as 1907 -- it is primarily the Two Kings stamps that are found), are known bearing postal-type cancellations and additional "sewing machine and needle" cancellations. Such stamps were used as revenue stamps, to pay import duties on packages coming in through the mail, as precursors to Tollur-canceled stamps. They are very scarce because most were discarded by collectors as being "damaged". Most uses are of high-value stamps (as is true of Tollur cancels as well), thus sewing machine cancels on low-value stamps are extremely scarce. One can find examples of sewing machine cancels as either randomly positioned holes (usually canceled before 29 June 1920) or in straight lines (usually from 29 June 1920 onward, when the post office acquired a sewing machine to do the canceling). Very often the holes are not visible from the front of the stamp. See the article in the Resources section for more information. | 
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