Lot of 4 Mint Sets:

1976: Complete Set of 5 Hardworking Icebreakers 1975-1976: 3 Complete Sets of 1 The Soyuz-Apollo Docking Emblem and a Painting by Cosmonaut A.A. Leovov Highlights this Collection of Space Achievements

1976: Mint Set of 3 Vostok, Salyut-Soyuz Link-up 1982: Complete Set of 5 Pioneering Civilian and Military Gliders of Russia, 1923-1941

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