Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2

Soviet Union

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Start price: $800

Buyer's premium:

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, Scott #5228 imp