Flown commemorative cover, 6.25 x 4, carried to the Mir space station in 1992 on board Soyuz TM-14. Cover bears several Mir space mail cancellations, a stamped German space mail cachet, and is signed in blue and black ink by cosmonauts Alexander Volkov, Sergei Krikalev, Alexander Viktorenko, Alexander Kaleri, and Klaus-Dietrich Flade. In very fine condition. Pre-certified Steve Zarelli and RR Auction COA.
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