Commemorative cover issued by the German Democratic Republic with a cachet honoring three years of Soviet spaceflight, signed in ink by Gherman Titov, Andriyan Nikolayev, Pavel Popovich, Valery Bykovsky, and the first woman in space, Valentina Tereshkova. Matted and framed with a description to an overall size of 12.5 x 11.75. In fine condition.
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