Flown American flag carried on the joint US-Soviet Apollo-Soyuz Test Project, 6 x 4, affixed to a 14 x 11 presentation certificate bearing the autopen signature of Chris Kraft, dated February 1981. The certificate bears a caption, "This flag was flown on the first international space mission, Apollo/Soyuz, July 15-24, 1975." In fine condition, with uniform toning to flag from adhesive to reverse.