Approximately 20,000 of these revolver were manufactured from 1861 to the mid-1860s. Approximately 12,000 went to fill government contracts, and the balance were sold on the commercial market. It is marked with "SAVAGE R.F.A. Co. MIDDLETOWN. CT/H.S. NORTH PATENTED JUNE 17 1856/JANUARY 13 1859 MAY 15 1860" on the top strap, some small single letter inspection marks throughout, "1/519" on the bottom of the barrel, "519" on the back of the cylinder as well as on the inside of each grip, "519" with the "1" horizontal on the right side of the frame at the heel, and approval number "1611" on the right at the toe and inside of the side plate. All serial numbers are matching. The sub-inspector marks "R" and "M" are stamped on the left side of the grip frame, and military acceptance marks "H" and "W" are located in several places. The "M" is for M. Moulton and the "H" is for Benjamin Hannis; both men were armory sub-inspectors for the military contract.