Lyndon B. Johnson Space Center Stamp Club official commemorative cover with a picture cachet honoring the crew of the Apollo Soyuz Test Project and International Cooperation in Outer Space, signed in black ink by Deke Slayton, Tom Stafford, and Vance Brand, and in black ballpoint by Alexei Leonov and Valeri Kubasov. In fine condition, with an ownership label affixed to reverse. Pre-certified Zarelli Space Authentication.
This item is Pre-Certified by STEVE ZARELLI
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