Covers issued for Soyuz-9 flight of Andrian Nikolayev and Vitaliy Sevastyanov (424 hours on orbit around the Earth 1-19 june, 1970).
Autographed same year by both cosmonauts of this flight and also by Vostok-6 cosmonaut Valentina Tereshkova (wife of cosmonaut Nikolayev).
Covers came from family archives of Nikolayev.
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This product was added to our catalog on Friday 13 December, 2002.