Chuck Yeager And Roy Grinnell Signed Limited Edition USAF Bell X-1 Glamorous Glennis “Yeager’s Conquest – Mach 1″ Lithograph Print With Certificate of Authenticity Included Item #CC1384. Roy Grinnell Signed Limited Edition “Yeager’s Conquest – Mach 1″ Print, also signed by Chuck Yeager, with Certificate of Authenticity. A 24″ x 20″ color lithograph of a…