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

United States

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Start price: $250

Buyer's premium:

1978, Piano, 8.4c dark blue on yellow paper, horizontal imperforated pair of coil stamps, pre-cancelled ”WASHINGTON DC”, full original shiny gum, NH, VF, C.v. $750, Datz C.v. $900, this pair is noted as rare in the Cat., Est. $400-$500 , Sc. #1615Cf