The Vintage 1980’s Souvenir Coin Martin Marietta Challenger “Mission Success” is a collectible item from the NASA Program in the United States. This coin commemorates the successful mission of the Challenger space shuttle in 1982, showcasing the theme of astronauts and space travel. Although not signed, it holds historical significance as a piece of memorabilia from the iconic space program. A unique and nostalgic addition to any collection, this coin captures a pivotal moment in the history of space exploration.