8c Violet Brown, USIR Watermark (272a). Bottom imprint and plate no. 58 strip of three, clear "I" and "R" of watermark, original gum, lightly hinged, deep rich color, tiny natural paper wrinkle in selvage at bottom left

VERY FINE AND CHOICE. AN EXTREMELY RARE IMPRINT AND PLATE NUMBER STRIP OF THE 8-CENT "USIR" WATERMARK VARIETY. WE RECORD ONLY FOUR SUCH IMPRINT AND PLATE NUMBER STRIPS.

The "USIR" (United States Internal Revenue) watermark error occurred when a supply of paper reserved for revenue stamp production was used for printing the 6c and 8c postage stamps. Our records contain only four imprint and plate number strips of the 8c (a plate block of six is part of the Miller collection at The New York Public Library).

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