As confirmed by the included factory letter this S&W Model 3 American First Model Revolver was sold on March 16, 1871 and shipped to the United States Government, National Armory, Springfield, MA. The revolver was part of a shipment of 1,000 units, 800 blue finish and 200 in nickel finish. The letter confirms the 8 inch barrel, blue finish and smooth walnut grips. The consignor notes state that the revolver has belonged to many S&W collectors including Floyd Jackson, Karl Rienhardt, Gary Garbrecht and Dave Berghoff. Surviving examples of U.S. martial Model 3 Americans are scarce and highly desirable. The barrel rib is marked ""+ SMITH & WESSON SPRINGFIELD MASS.U.S.A.PAT.JULY 10. 60. JAN. 17. FEB. 17. JULY 11. 65 &AUG. 24. 69 + " followed by "US". A small "A" ordnance sub-inspection mark is present on the left side of the frame under the cylinder, a cylinder flute and barrel top strap and an ordnance "P" proof marked is stamped on the right side of the frame. The rear of the cylinder, barrel latch and the barrel are marked with the letters "OU." Matching numbers are found on the butt and right grip panel.