Flown lightweight metal shim removed from an Apollo 13 spacecraft, 2.5 x 2.5, with a one-inch diameter hole to center and four smaller holes to corners. In fine condition, with some scratches. Accompanied by a photocopied temporary parts removal tag from North American Rockwell Corporation, identified as "1446" and noted at the bottom, “Apollo 13,” for “Part Number: V36-553019 Shims; Authority MAO 301-0080 ‘A’ Chg Unit 108.”