Flown Gemini 12 Fliteline silver medallion, 1″ diameter, with the front featuring a raised design of the mission insignia and the reverse engraved with the mission date, “November 11–15, 1966,” as well as “Gemini Twelve.” Condition is mint state, with slight wear to rim. Accompanied by a handwritten and signed letter of provenance from astronaut Jack Lousma, reading, in part: “This silver-colored Gemini 12 medal...was flown aboard the Gemini 12 mission with Jim Lovell and Buzz Aldrin during November 11–15, 1966...I purchased this Gemini 12 medal before it was flown on this mission. It is from my personal collection and has been in my possession since receiving it just after the mission.”