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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1983, Soviet Gliders, A-9, 2k multicolored, bottom sheet margin vertical imperforated pair, completely flawless item, full OG, NH, VF and scarce, Est. $1,500-$2,000 , Sc. #5118 imp