Gene Cernan’s flown sterling silver Gemini 9 Fliteline medallion, 1″ x .75″, featuring a raised design of the mission insignia on the front, and the reverse engraved: "Gemini IX, June 3-6, 1966," with the astronauts' names on either side, "Stafford" and "Cernan." Hallmarked "Sterling" at the bottom. Some scuffing to the reverse. Accompanied by a signed letter of certification from Cernan, who writes: “I hereby certify that this Gemini 9A Flown Fliteline Sterling Silver Medallion which accompanies this letter flew with me aboard our historic mission June 3-6, 1966.” Also included is a photo of Cernan holding the medallion and the signed letter.