Commemorative cover honoring April 12th, Cosmonautics Day, featuring three affixed Soviet space stamps, signed in fountain pen by six pioneering cosmonauts: Yuri Gagarin, Gherman Titov, Andriyan Nikolayev, Pavel Popovich, Valery Bykovsky, and Valentina Tereshkova. In fine condition. Encapsulated and graded by PSA/DNA as “MINT 9.”
