Flown 5.75 x 4 American flag carried aboard the Space Shuttle Columbia on the STS-1 mission. Includes its original 8.5 x 11 presentation certificate bearing preprinted facsimile signatures of the crew, reading: "This flag was flown aboard Space Shuttle 'Columbia' (STS-1), April 12-14, 1981. It is presented to you in recognition of the significant contribution you made to the success of the mission." Flag is no longer attached to certificate. In very good condition, with light foxing and toning to the mount, and toning to the flag from the adhesive that once held it on the mount.