.45 ACP caliber. 5" barrel, S/N 286879 (mfg. ca 1918). Brushed blued finish, checkered double-diamond wood grips. Single action magazine fed semi-automatic military pistol. Right side of slide marked MODEL OF 1911 U.S. ARMY with right side of frame stamped wit the serial number. Left side of slide marked in two, two-line segments reading PATENTED APR. 20, 1897, SEPT. 9, 1902 / DEC. 19, 1905. FEB. 14, 1911. AUG. 19, 1913 and COLT'S PT. F.A. MFG. CO. / HARTFORD, CT. U.S.A. The markings are separated by the Rampant Colt logo. Lower left of frame marked UNITED STATES PROPERTY, with correct JMG (John M. Gilbert) inspection behind the trigger, above the magazine release. This inspection was used from roughly January to May of 1918, prior to the commencement of "Black Army" finish production later that year. "H" inspection on rear of slide above firing pin stop. Blued barrel with separate P and H inspections on hood, a Z on right side of link lug and a P on the left side. Top edge of frame with H, 7, 8, and G inspection marks, underside of slide with 7, T, Q and G marks. Long, smooth faced trigger, flat mainspring housing, military notch rear sight and low profile rounded front sight. Includes a single two-tone magazine without a lanyard ring. An exceptionally fine and crisp example of a war time production M1911 manufactured in 1918 prior to the transition to rougher metal finish that resulted in the "Black Army" finish later that year.