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: $75

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1949 (October 15), 75th Anniversary of the UPU, 40k and 50k, perforated and two imperforate sets used on Mezhdunarodnaya Book (USSR Trading Co.) registered air mail cover from Moscow to NYC, all appropriate markings and ”Oct.23.1949” arrival ds, VF, Scott #1392-93, a