History of Aviation, Rare Stamps and Postal History of the World, Part 3
Lot 1239:
1963, Valery Bykovsky and Valentina Tereshkova Space Flights by ”Vostok 5” and ”Vostok 6”, 6k x2 and 10k, complete set of three, perforated and imperforated unfolded sheets of 50 (5×10), perfect post office fresh quality unit, full OG, NH, VF, Est. $250-$300, Sc. #2750-52, imp
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