Flown checklist page carried on board Gemini 12, captioned “Undocking Procedures,” 5 x 8, from the ‘Procedures S/N 122’ flight-log flown on the mission. The page outlines the steps and procedures for undocking the Gemini spacecraft from the Agena target vehicle. In fine condition. Because of the very cramped crew compartment and tight weight restrictions aboard the small two-man craft, flown artifacts from Gemini missions are rarer than even those from Apollo flights; this Gemini 12 checklist page is one of the very few mission-used items ever made available from this important and final flight of the Gemini series. Accompanied by a data CD with thorough documentation evidencing the chain-of-ownership of the page as part of the complete S/N 122 Procedures flight-log, as well as scans of every page of the manual. RR Auction COA.