Four glossy photos, 8 x 10 and 10 x 8, signed in black felt tip by the pilot pictured: Scott Crossfield (ins), Bill Dana (ins), Chuck Yeager (ins), and William J. Knight; and a NASA pamphlet describing the history of research aircraft, 6.5 x 9.5, signed in black ballpoint by Robert M. White. Toning to the edge of the pamphlet and a water spot to Knight’s signature, otherwise overall fine condition. RR Auction COA.
