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

Soviet Union - Large Die Proofs

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Start price: $200

Buyer's premium:

1980, definitive issue, Soviet Flag, 3k in red (issued color), artist A. Kalashnikov, engravers A. Tkachenko and V. Sayapin, printer’s markings at sides, size 87x120mm, no gum, VF, Est. $300-$400 , Sc. #4887