A .5 x .5 flown swatch of Kapton foil removed from the Apollo 11 Command Module Columbia’s thermal protection subsystem, removed after splashdown by O. W. Nasse, who was assigned to the Apollo 11 post landing and safety recovery team. Piece is affixed to an 8.5 x 11 informational letter of authenticity from Ken Havekotte. RR Auction COA.