Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3

Soviet Union

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Start price: $150

Buyer's premium:

1990, Duck Conservation, 5k, 15k and 20k, imperforated complete set of three in vertical top right corner sheet margins pairs, control lights on the right edge, full OG, NH, VF, Est. $250-$300, Sc. # 5906-08 imp