Manufactured in 1941, the Robert Sears inspected Colt Model 1911A1s marked the transition point from Colt's high polish blue to the Parkerization treatment that would become the standard for the rest of the war. Blade and flat top notch sights, with the Rampant Colt bisected address and patents on the matching numbered slide, "RS." stamped frame (both on the left side and near the disconnector), "T/VP" and "69" on the trigger guard, short milled trigger, wide hammer, checkered slide stop, thumb safety and mainspring housing, correct early style (hollow back) unreinforced grips, unmarked two-tone magazine and a "COLT 45 AUTO"/small "G" marked full-blue barrel.