Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

Soviet Union - Die Proofs Selection

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Start price: $500

Buyer's premium:

1983, 113th Anniversary of the birth of Lenin, two sunken die proofs of 50k stamp in brown (issued in souvenir sheet), one is stage proof without inscription and denomination, artist I. Martynov, complete design proof with printer’s angles and markings at four sides, size 110x120mm, printed on gummed paper, traces of previous hinges, VF and very rare couple, Est. $800-$1,000, Scott #5136