Unusual air mail envelope, 6.5 x 3.75, bearing a March 25, 1969, Houston, Texas cancellation, as well as a July 20, 1985, Wapakoneta, Ohio, Neil Armstrong commemorative cancellation, signed on the front in black felt tip by Neil Armstrong and Buzz Aldrin. In fine condition, with some scattered light toning, mainly to lower right corner. Pre-certified Scott Cornish and RR Auction COA.