1c Post Office, "Sepcimen" Error (O47Sa). Without gum as issued, perfs scissors-separated but intact, reperfed at left, appears Fine, a scarce example of this "Sepcimen" error, with a sold quantity of 6,015, it is possible that 60 "Sepcimen" errors were released, but we do not know how the sheets were divided and sold, nor do we know if the entire print run had the error in Position 21, reports of known examples are fewer than a dozen

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