Rusted bolt flown aboard Gus Grissom's Liberty Bell 7 during the Mercury-Redstone 4 mission, recovered from the Atlantic Ocean on July 20, 1999. The corroded bolt measures approximately .75″ in length and is presented inside a Lucite display, measuring 5.25 x 4.25 x 1.75, which features an image of the spacecraft, as well as printed information about the recovery. Accompanied by a certificate of authenticity from the Kansas Cosmosphere and Space Center, which restored the capsule following its oceanic recovery.