1975-07-15 USA Apollo-Soyuz Test Project

An Apollo-Soyuz launch cover postmarked at Kennedy Space Center with a machine cancel on July 15, 1975, signed by the Soyuz crew, Alexei Leonov and Valeri Kubasov, and the Apollo crew, Thomas Stafford, Vance Brand and Deke Slayton.
An Apollo-Soyuz first day cover featuring the US Apollo-Soyuz stamps, postmarked at Kennedy Space Center with a machine cancel on July 15, 1975, signed by the Soyuz crew members, Alexei Leonov and Valeri Kubasov, and the Apollo crew, Thomas Stafford, Vance Brand and Deke Slayton.
An Apollo-Soyuz link-up cover from "Space Voyage", postmarked at Houston, Texas with a machine cancel on July 17, 1975.
An Apollo-Soyuz link-up cover from "Space City Cover Society", postmarked at Houston, Texas with an "APOLLO SOYUZ LINK - UP" hand cancel on July 17, 1975.
An Apollo-Soyuz link-up cover from "Space City Cover Society", postmarked at Houston, Texas with an "APOLLO SOYUZ LINK - UP" hand cancel on July 17, 1975.
An Apollo-Soyuz undocking cover from "Orbit Covers", depicting the undocking of the Apollo-Soyuz spacecrafts, postmarked at Cape Canaveral with a machine cancel on July 19, 1975.
Photo: The Apollo spacecraft splashdown in the Pacific Ocean and being lifted aboard the USS New Orleans recovery ship on July 25, 1975.
An Apollo-Soyuz recovery cover with a printed “Morris Beck B998” cachet, postmarked aboard USS New Orleans with a very rare hand cancel on July 25, 1975.
An Apollo-Soyuz Crew Cover (Type 1), postmarked aboard USS New Orleans with a very rare hand cancel on July 25, 1975, signed by Thomas Stafford, Vance Brand and Deke Slayton.