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,” on a 17 x 10.5 parchment-type sheet. 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 black felt tip in the lower right corner, “James Lovell,” and “Frank Borman,” and signed in red felt tip, “William A. Anders.” Treaty also bears two postal cancellations, two First Day of Issue stamps and four 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, Anders’s signature a couple shades light, but completely legible, and a small pencil notation to bottom. RRAuction COA.