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: $250

Buyer's premium:

1987, Moratorium for Nuclear Explosions, 5k multicolored, drawn water-color essay of stamp with label by artist G. Komlev, not approved design, size 114×80, mounted on thin gray cardboard, VF and unique, Est. $400-$500