Mir 92 Soyuz TM-13 flown space cover signed by cosmonauts Alexander Kaleri, Sergey Krikalev, Aleksandr Volkov, Aleksandr Viktorenko, German astronaut Klaus-Dietrich Flade. 

Cerificate of authenticity presented, guaranteed by NPO “Energiya”: This certifies that we, transportation “Soyuz TM-13 “crew member, have delivered a container with space mail which includes this numbered envelope from the orbital station “ Mir” to the Earth.

Excellent condition. The space cover number is #25.

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