Two items: Manned Flight Awareness certificate and medallion, presented to Stuart L. Carter. Commemorative medallion measures 1.5″ in diameter, and a portion of the metal used to make it orbited the earth on Skylab between 1973-1974. Medallion is affixed to a certificate which reads, in part: “This medallion is presented in appreciation of your dedication and efforts in insuring the successful accomplishment of the Skylab Program,” and bears printed signatures of all three Skylab crews at the bottom; and an extensive Skylab News Reference, issued by NASA, full of diagrams, schematics, and explanations of systems and procedures for Skylab. In very good to fine condition, with the expected wear and light soiling from handling to the news reference. RRAuction COA.