Bidspirit auction | Cosmonaut Lev Demin signed vintage

Cosmonaut Lev Demin signed vintage Russian Space cover. Spaceflights: 1. Total time in space: 2. 01 days. Birth Place: Moscow. Graduated from Air Force Engineering Academy, Monino, Moscow Oblast, 1956 an received a doctorate degree in engineering, 1963. Colonel, Soviet Air Force Cosmonaut training January 1963 - 21 January 1965. Later he a deep-sea researcher.