A flown .5 x .25 swatch of Kapton foil removed from the Apollo 11 Command Module Columbia. The foil is affixed to a 3.5 x 2.5 presentation sheet bearing a preprinted signature of NASA Photographic Team member Dick Williamson, in part: “I certify I personally removed this material from Columbia after its retrieval aboard USS Hornet.” Housed in small plastic protective holder. In fine condition.