Gorgeous set of three vintage original color 11 x 17 lithographs made by the McDonnell Aircraft Corporation, each respectively entitled “Gemini Spacecraft,” depicting an artist’s rendering of the Gemini capsule, “Gemini Launch,” featuring a photographic image of a Titan II GLV rocket lifting off, and “Mercury Spacecraft,” which shows an artist rendering of the capsule with escape tower and emblems of the six manned missions. Includes the original “McDonnell Lithographs” mailing envelope. In overall fine condition, with trivial edgewear, a few light stains to the Mercury litho, and light wear to the envelope.