Sizable flown dedication plate carried aboard the Space Shuttle Challenger, 7.5 x 10.5, affixed to a 9 x 12 wooden plaque. The plate features the mission insignia and an engraved nameplate, “Shuttle Flight STS-61-A, Honoring Colonel Steve Nagel, Astronaut, 1985.” The plate reads, in part: “Twenty-Second Flight of the Space Shuttle STS–61–A, This plate was flown aboard the United States Shuttle ‘Challenger’ October 30 to November 6. Launching from the Kennedy Space Center, Florida, Challenger completed 112 orbits traveling 2.9 million miles before landing at Edwards Air Force Base, California.” Scattered surface marks and abrasions, and some slight adhesive remnants to plate edges, otherwise fine condition.