Two flown covers with stamped NASA Flight Research Center cachets: one signed in black felt tip, “Fitz Fulton Pilot,” and “Vic Horton, Flight Test Engineer,” adding “Carried on YF-12C research mission at supersonic speed 26 April 1973”; the other signed in blue ballpoint “Carried on NASA Research Mission in YF-12C # NASA 937, 15 Dec 73, max speed and altitude 2.60 Mach and 674000 feet. Fitz Fulton NASA Test Pilot.” In fine condition. YF-12C was the secret code name for the SR71 Blackbird test flights. Pre-certified Steve Zarelli and RR Auction COA.
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.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.
