FDC, 6.5 x 3.5, with a Milton Caniff–designed cachet for the NASA Manned Spacecraft Center Stamp Club, postmarked July 20, 1969 and September 9, 1969, signed in blue ballpoint “Neil Armstrong,” in black ballpoint “Buzz Aldrin,” and in blue felt tip “M. Collins.” In very fine condition. JSA/Scott Cornish Auction LOA and RRAuction COA.