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

Soviet Union

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Start price: $150

Buyer's premium:

1966, 3rd International Tchaikovsky Contest, 6k red, black and yellow, bottom left corner sheet margin block of four, imperforated (blind perforation) at left, full OG, NH, VF, Est. $200-$250 , Sc. #3207 var