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VERY FINE. ONE OF THE EARLIEST AND RAREST COLOR-OMITTED ERRORS. ONLY FOUR EXAMPLES ARE KNOWN TO EXIST FROM ONE SHEET.
Ex Floyd. With 1997 P.F. certificate (Image)
VERY FINE. THIS IS THE ONLY PLATE NUMBER PAIR AMONG THE FOUR KNOWN EXAMPLES OF THE 4-CENT WINSLOW HOMER IMPERFORATE-BETWEEN ERROR.
Three of the four recorded examples of this error rarity have misaligned perforations on at least one side. This is the only pair with a plate number (Image)