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: $200

Buyer's premium:

1979, International Year of the Child, pencil sketch of 4k stamp, no approved design by artist G. Komlev, size 103x150mm, made on thick paper, VF and unique, the similar stamp was issued with design provided by artist I. Suschenko, Est. $300-$400, Sc. #4752