Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Soviet Union Stamps of 1941-91

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Start price: $750

Buyer's premium:

1966, Cosmonauts’ Day, 10k multicolored, double impression of gold color variety, unfolded complete sheet of 30 (6×5), full OG, NH, VF and rare, especially in a complete sheet, Est. $1,000-$1,500 , Sc. #3193 var