Manufactured in 1945, the included factory letter with this desirable Colt Service Model Ace pistol confirms the current configuration, including the adjustable rear sight, as well as shipment to the U.S. government transportation officer at the Army-Navy Consolidation Station in New York for the Naval Supply Depot in Oakland, California on 24 July 1945, approximately one month before the surrender of the Empire of Japan. The left side of the slide is marked with the standard two-line address and patent dates, followed by the Rampant Colt, and the right side has the standard Service Model Ace and caliber markings. The right side of the frame has the U.S. property marking over the serial number and crossed cannons at the rear. The left side of the frame has the remarked "G.H.D." inspection mark. The barrel is marked "COLT/CAL 22 L.R." on the polished chamber. It is fitted with blade front and adjustable notch rear sights, short stamped trigger, serrated arched mainspring housing, narrow checkered hammer, long grip safety, checkered reinforced grips, and a full blue magazine with Colt Service Model Ace markings on the base. Includes a period style modern replacement Kraft box hand numbered to the gun.