Souvenir 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, signed in the upper blank portion in black felt tip by Gene Cernan, adding “Apollo X,” in blue ballpoint by Tom Stafford, and in black ballpoint by John Young. Treaty also bears a September 29, 1967, postmark, 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 a central vertical fold and small binder dings to edges. RRAuction COA.
