Flown photographic exposure dial carried on board the Gemini 12 mission. Black anodized, machined aluminum dial measures 2″ in diameter and is mounted to a 3 x 2 base, which is labeled “CF55075-1, Ser. No. 5.” This dial was used by the crew to determine proper camera settings. Accompanied by an MSC Spacecraft parts Tag, with the flight duration of the dial written in a technician’s hand on the reverse and indicating the part then went to bonded storage. In fine condition. RR Auction COA.