^#499 ^Lot 526 Deke Slayton

Printed souvenir treaty entitled “Treaty on Principles Governing the Activities of States in the Exploration and the Use of Outer Space, including the Moon and other Celestial Bodies,” 17 x 10.5. This 17-article treaty was opened for signature in the United States, the United Kingdom, and the Soviet Union (the three depository governments) on January 27, 1967, and the Treaty entered into force on October 10, 1967. Signed in blue ballpoint by Slayton. Treaty also bears a Kennedy Space Center September 29, 1967, cancellation, a First Day of Issue stamp and two five-cent commemorative postage stamps. These scarce souvenirs were produced by longtime autograph dealer Sy Kessler to commemorate this event. In fine condition, with three vertical folds and a small pencil notation to bottom edge.