Katz Coins Notes & Supplies Corp.
E-Auction 31 28-30 Apr 2020
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Germany Official Board Cover Signed in Space Rare!
The cover was on board of Orbital Complex "Soyuz-29"-"Salyut-6"-"Soyuz-31" During fulfilment of international space flight USSR-GDR under the Programme "Intercosmos" in August-September 1978. Not more than 100 of such covers were cancelled and signed in space. With Certificate of Authenticity
The cover was on board of Orbital Complex "Soyuz-29"-"Salyut-6"-"Soyuz-31" During fulfilment of international space flight USSR-GDR under the Programme "Intercosmos" in August-September 1978. Not more than 100 of such covers were cancelled and signed in space. With Certificate of Authenticity