History of Aviation, Rare Stamps and Postal History of the World, Part 3

Soviet Union

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Start price: $200

Buyer's premium:

1937, Alexander Pushkin, 50k blue, top sheet margin single with perforation L12¼, imperforated at the top, neat Sevastopol cancellation, VF and very scarce error which is known in used condition only, Est. $300-$400 , Sc. #593 var