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

Soviet Union of 1941-91

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Start price: $3,000

Buyer's premium:

1944, Liberation of Leningrad, souvenir sheet of four stamps 30k slate gray, text at the top and bottom with double impression, which in addition significantly shifted to the top, minimal usual gum waves, perfect condition, full OG, NH, VF and very rare, P. Buchsbayew certificate, Est. $6,000-$8,000, Scott #959 var