A set of postcards with autographs of Soviet cosmonauts Yuri Gagarin, German Titov, Andriyan Nikolaev and others

Among the signatories: Yuri Gagarin, German Titov, Andriyan Nikolaev, Pavel Popovich, Valery Bykovsky, Valentina Tereshkova.

Yuri Gagarin is a Soviet cosmonaut pilot, the first person in world history to fly into outer space.

German Titov is a Soviet cosmonaut, the first person to make a long—term space flight, the second Soviet cosmonaut, the second person in the world to make an orbital space flight.

Andriyan Nikolaev is the 3rd Soviet cosmonaut. Twice Hero of the Soviet Union. The first cosmonaut who participated in a military experiment in space. A member of the first detachment of Soviet cosmonauts, who went into orbit after Gagarin and Titov in 1962.

Pavel Popovich is a Soviet cosmonaut. Twice Hero of the Soviet Union. The pilot of the Vostok-4 spacecraft. During the first group flight, the commander of the Vostok-4 spacecraft took a number of important steps in the space program.

Valery Bykovsky is a Soviet cosmonaut. Twice Hero of the Soviet Union. He made the longest single flight into space with a length of 4 days, 23 hours and 6 minutes.

Valentina Tereshkova is a Soviet cosmonaut pilot, the world's first female cosmonaut, Hero of the Soviet Union, aviation Major General.