History of Aviation, Rare Stamps and Postal History of the World, Part 1

United States

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Start price: $500

Buyer's premium:

1973, American Bicentennial, Postrider, 8c green, black and blue, right sheet margin ZIP single, red engraved color missing due to shift of all engraved colors to the bottom, full OG, NH, VF and rare, this error is not listed in Datz, Scott C.v. $1,400, which looks undervalued, Est. $800-$1,000, Sc. #1478a