Tiny fragment of Kapton foil attested to as flown on the Apollo 12 Command Module 'Yankee Clipper,' displayed in a limited edition 3˝ x 3.75˝ x 1˝ Lucite block, numbered 3/15, signed on the reverse in blue paint pen, "Alan Bean." In very fine condition. Accompanied by a certificate of authenticity from Aviators Alley, documenting that the Kapton was obtained from Terry N. Slezak of the Manned Spacecraft Center's Lunar Receiving Lab decontamination team.