Colt frame manufactured in 1919 as a M1911, before subsequent conversion to M1911A1 pattern. Ithaca Gun Co. replacement slide, "HS" (High Standard) replacement barrel. Includes a certificate of authenticity from the Civilian Marksmanship Program identifying the pistol as "1911 Pistol Field" grade and dated April 25, 2019, a tan CMP hard case, an extra stamped base magazine, action lock, and manual.