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

Soviet Union

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Start price: $2,000

Buyer's premium:

1979, Flag and Soviet Emblem, 4k multicolored, top right corner sheet margin horizontal imperforated pair, full OG, NH, VF and extremely rare, Est. $3,500-$4,000 , Sc. #4795 imp