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| Apollo-Soyuz KNIGA cover postmarked in Moscow on July 15, 1975, and signed by Alexei Leonov and Valeri Kubasov. |
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| Apollo-Soyuz KNIGA cover that was postmarked in Moscow on July 15, 1975. It is signed by both the US and Russian crew members: Thomas P. Stafford, Vance D. Brand, Donald K. Slayton, Alexei Leonov, and Valeri Kubasov. |
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| Apollo-Soyuz cover that was postmarked in Moscow on July 15, 1975, and signed by the US backup crew: Alan Bean, Jack R. Lousma, and Ronald E. Evans. |
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| A cover depicting the Apollo-Soyuz link-up that took place on July 17, 1975. |
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| A cover depicting the undocking of the Apollo-Soyuz spacecrafts on July 19, 1975. |
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| Photo: Alexei Leonov displays his "Space Age Solar Eclipse" painting at a press conference. |
