This is the second model Diamond No. 43 single shot pistol with iron frame, no bushing on the frame mounted firing pin and no sideplate. Barrel marking is the J. Stevens A & T Company with no patent dates. The serial number appears on frame under the grips, on the barrel, on the wedge and on the grips in pencil. 6" barrel, manufactured 1896-1916. The grips show a high screw (2) 1 on each side. 95% nickel finish with 85% blue on the barrel, trigger and hammer. The grips grade very good with minor dings.Fair to good bore. Shoots very well.Excellent collectable gun.