Salyut 6 Flown Space Cover signed by Soyuz 29 and Soyuz 31 crews: V. Kovolyonok, A. Ivanchenkov, S. Jähn, V. Bykovsky.

Excellent condition.

Authenticity guaranteed, the buyer will receive the letter of authenticity.

Vladimir Kovalyonok (1942) is a retired Soviet cosmonaut. He entered the Soviet space program on July 5, 1967 and was commander of three missions Soyuz 25, Soyuz 29, Soyuz T-4. He retired from the cosmonaut team on June 23, 1984. From 1990 to 1992 he was a Director of the 30th Scientific Research Institute, Ministry of Defense

Aleksandr Ivanchenkov (1940) is a retired Soviet cosmonaut who flew as Flight Engineer on Soyuz 29 and Soyuz T-6, he spent 147 days, 12 hours and 37 minutes in space. Valery Bykovsky (1934 – 2019) was a Soviet cosmonaut who flew on three space flights: Vostok 5, Soyuz 22, Soyuz 31. He was also backup for Vostok 3 and Soyuz 37 He flew Soyuz 31 mission to Salyut 6 space station with the East German Sigmund Jähn. It was launched on 26 August 1978. They joined two other cosmonauts V. Kovalyonok and A. Ivanchenkov on the space station that had arrived on Soyuz 29 . The four conducted biological experiments on themselves during their stay. Bykovsky and Jähn undocked from the station in the Soyuz 29 capsule on 3 September and landed back on Earth later that day.

Valery Bykovsky (1934 – 2019) was a Soviet cosmonaut who flew on three space flights: Vostok 5, Soyuz 22, Soyuz 31. He was also backup for Vostok 3 and Soyuz 37 He flew Soyuz 31 mission to Salyut 6 space station with the East German Sigmund Jähn. It was launched on 26 August 1978. They joined two other cosmonauts V. Kovalyonok and A. Ivanchenkov on the space station that had arrived on Soyuz 29 . The four conducted biological experiments on themselves during their stay. Bykovsky and Jähn undocked from the station in the Soyuz 29 capsule on 3 September and landed back on Earth later that day.   

Sigmund Jähn (1937 –2019) was a German cosmonaut and pilot who in 1978 became the first German to fly into space as part of the Soviet Union's Interkosmos program.