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

Soviet Union 1923-91 - Collections of Large and Miniature Sheets

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Start price: $150

Buyer's premium:

NATURE – TOPICAL ISSUES: 1987, World Wildlife Fund (WWF), Polar Bears, 5k-35k, complete sets of four in common sheets of 25 and miniature sheets of 8, full OG, NH, VF, C.v. $675, Est. $300-$350, Scott #5541-44, a