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: $400

Buyer's premium:

1987, Moratorium for Nuclear Explosions, 5k multicolored, three drawn water-color essays by artist G. Komlev, not approved design, two of the same size 63x88mm, and one 60x83mm, fresh, VF and unique, a stamp of that topic has never been issued, Est. $700-$800