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

Soviet Union - Goznak Die Proofs

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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 for the souvenir sheet, complete or part of the design without inscription and denomination, artist I. Martynov, first one with printer’s angles and markings at four sides, size 100x120mm, printed on gummed paper, traces of previous hinges, VF and very rare couple, Est. $1,000- $1,200, Scott #5136