History of Aviation, Rare Stamps and Postal History of the World, Part 3

Russian Semi-Postal Issues

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Start price: $4,000

Buyer's premium:

1991, 25th Anniversary of the Soviet Philatelic Society, Butterflies and Flowers, 20k+10k multicolored, imperforated souvenir sheet, perfect quality in every respect, full OG, NH, VF and the only recorded item, Est. $7,000-$8,000 , Sc. #B180 imp