This pistol was manufactured late in 1960 but not shipped until January 31, 1961. it has a patridge blade front and adjustable rear sights with standard markings, National Match barrel, solid bushing, wide adjustable skeletonized trigger, serrated slide catch, safety, hammer and front strap, and a pair of checkered grips with gold medallions. The front strap and mainspring are also serrated. Colt's factory marking is stamped uniquely forward of the ejection port. It includes a Colt factory box with papers and a Colt factory letter confirming this particular pistol as the lowest number as the serialization began with the number 100MR.