TLS, one page, 8 x 10.5, NASA letterhead, November 10, 1969. Letter of thanks to the Ryan Aircraft Historian. In full, 'Please accept my warm appreciation for your thoughtfulness in sending me the two copies of Air Trails from your own personal set. It was certainly kind of you to go to all this trouble for me and I appreciate your graciousness.' In fine condition, with staple hole to top left corner and expected folds. COA John Reznikoff/PSA/DNA and RRAuction COA.
