Flown 5.75 x 4 American flag carried aboard the Space Shuttle Columbia on the STS-1 mission, affixed to 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." In fine condition, with a uniform block of toning to the flag due to adhesive on the reverse.