Flown screw from Gus Grissom’s Liberty Bell 7, recovered from the Atlantic Ocean on July 20, 1999. Screw bolt measures approximately .5″ in length and is presented inside a Lucite display with an image of the spacecraft, as well as printed information about the recovery. Accompanied by its original box and certificate of authenticity from the Kansas Cosmosphere. which restored the capsule after its recovery. RRAuction COA.