Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Soviet Union Stamps of 1924-40

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Start price: $150

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1947, definitive issue, soldier 15k gray green, offset printing, left sheet margin horizontal pair imperforated at left, full OG, NH, VF, Est. $250-$300 , Sc. #735, var