2c on 1c Green on Buff, Postal Card, Black Surcharge (UX39 var; USPCC S56-1a2 ). Mint card, intense black surcharge with no traces of green ink, slight offset on back also in black, wonderfully fresh

VERY FINE EXAMPLE OF THIS RARE POSTAL CARD SURCHARGE.

This is reported to be one of only two known with the surcharge in black and the discovery copy. With 1995 U.P.S.S. certificate. USPCC unpriced

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