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: $800

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1984, Moscow Zoo, Snow Leopard, 4k multicolored, right sheet margin horizontal imperforated pair, nice and flawless item, full OG, NH, VF and very scarce, Est. $1,200-$1,600 , Sc. #5228 imp