Uncommon commemorative cover with a stamped cachet honoring the X–15 aircraft and its various affiliations, postmarked at Edwards Air Force Base, May 17, 1957, and signed in various inks by eight X–15 pilots. Signers are: “Forrest S. Peterson, X–15 Pilot USN,” “Joe Engle,” “Robert M. White, X–15 Astronaut,” “Wm. J. Knight, X–15 Astronaut,” “Scott Crossfield,” “Robert A. Rushworth, X–15 Pilot Astronaut,” “Bill Dana,” and “Milt Thompson, X–15 Pilot.” In fine condition, with some slight haloing to the Engle signature. The Leon Ford Collection. Pre-certified Zarelli Space Authentication.
This item is Pre-Certified by STEVE ZARELLI
Buy a third-party letter of authenticity for
(inquire for price)
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.
