A .5 x .75 piece of silver reflective foil flown to the moon on the Columbia. Skin is housed in a small Mylar sleeve which is affixed to a 5 x 3 certificate of authenticity signed by Lunar Receiving Lab decontamination team member Terry Slezak, which reads, in part: “This is to certify that the attached material was part of the outer reflective skin of the Apollo Spacecraft CM-107.” In fine condition. RR Auction COA.