Jim McDivitt's flown sterling silver Gemini 4 Fliteline medallion, approximately 1″ in diameter, with a raised design of the mission insignia on the face, and the reverse engraved with the mission dates, "3-7 June 1965," and hallmarked "Sterling" at the bottom. Condition is mint state, with some light tarnishing to the reverse. Accompanied by its original maroon plastic Fliteline case and a signed certificate of authenticity from McDivitt, in full: "I certify that this Gemini 4 medallion was flown by me aboard that mission. It is from my personal collection." A highly desirable silver medallion carried into low earth orbit during the second manned Gemini mission and on the first spaceflight of Command Pilot Jim McDivitt.