Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Soviet Union

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Start price: $100

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SCADTA FLIGHT COVER: 1931 (May 5), Colombian stationery envelope 4c blue bearing five Soviet adhesives, including 25th Anniversary of Revolution of 1905 and Child Welfare issue of 1929, sent by First Flight ”Leningrad – Berlin” and forwarded from Berlin (May 6) to Colombia by ship, upon arrival to Buenaventura (May 25) uprated by six definitive stamps and posted to SCADTA Flight to Cali, ”28.V.31” receiver and all appropriate markings, minor flaws, still F/VF, Est. $150-$200, Sc. # 438-40, B54/56