Manufactured in 1917. Flat top notch rear sight, the two-line/two-block address and patent dates on the left side of the slide, the Rampant Colt behind the serrations, the Army nomenclature on the reverse, United States Property marked and Gilbert Smith "GHS" inspected frame, long smooth trigger, wide checkered hammer, short grip safety, smooth flat mainspring housing, an unmarked pinned base two-tone magazine, and a "P/H" marked barrel.