Flown lightweight metal shim, 2.5 x 2.5, with a one-inch diameter hole in the center and four smaller holes at the corners, removed from Apollo 13. In fine condition. Accompanied by a photocopied temporary parts removal tag from North American Rockwell Corporation, noted at the bottom, “Apollo 13,” for “Part Number: V36-553019 Shims; Authority MAO 301-0081 ‘A’ Chg Unit 108.” RR Auction COA.