

The right side of the receiver has the Ordnance escutcheon stamped behind the stock and "UNITED STATES PROPERTY/ No 12600434" roll-stamped in two lines behind the slide stop hole.

The Ordnance 'Shell and Flame' insignia is stamped on the inside of the barrel channel and on the rear of the slide above the firing pin hole. The left side of the trigger guard and the inside of the barrel channel are stamped with the distinctive Ithaca factory proofmarks. The High Standard barrel is marked "HS" on the right side of the lug and "P" on the left. The pistol has a seven rib mainspring housing and a narrow trigger with borderless knurling on the spur. The slide stop and safety lock are grooved. The trigger is stamped with a knurled face. The pistol has a gray-green parkerized finish with blued barrel and checkered brown plastic stocks. Shipping records indicate that 12500 pistols in the 120900- 1260000 serial number range were shipped to the Naval Supply Depot in Oakland, Calif., and 3600 pistols in this serial number range were shipped to the Army Air Corps. Model 1911A1 Semi-automatic pistol manufactured by the Ithaca Gun Co., of Ithaca, New York in 1944.
