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

Soviet Union Stamps of 1941-91

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Start price: $400

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1983, Buryat Autonomous Republic, 4k multicolored, vertical imperforated pair with enlarged margins around, full OG, NH, VF and scarce, Est. $600-$800 , Sc. #5141 imp