Flown High-Temperature Reusable Surface Insulation (HRSI) tile from STS-41-G (formerly STS-17), the sixth flight of Space Shuttle Challenger, measuring 6˝ x 3˝ x .75˝, sealed in its plastic with "Flown Hardware" card, reading: "Orbiter No. 099, STS Number 17, Part Name: HRSI, Part No. 391011-371, Serial No. 009251, Quantity 1 Insp., Date Nov. 15 84." In fine condition.
