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

Soviet Union

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Start price: $900

Buyer's premium:

1991, Marine Live, Jellyfish and Dolphin, 4k and 20k, imperforated set of two in top left corner sheet margin blocks of four, nice condition, full OG, NH, VF and scarce multiples, Est. $1,500-$1,800, Sc. # 5954, 5958 imp