Manufactured circa 1872-1873, this was one of approximately 7,000 and was the direct predecessor to the famous Colt Single Action Army. The Model 1871-1872 was the first non-conversion Colt cartridge revolver. The top of the barrel is marked "-- ADDRESS COL. SAML COLT NEW - YORK U.S. AMERICA --", the left side of the frame is marked "COLTS/PATENT", the cylinder is roll engraved with the Texas naval scene and "COLTS PATENT No "362" and the matching serial number is marked on the barrel, frame, trigger guard, arbor pin and back strap. The wedge is un-numbered and the loading gate is numbered "306". Blade front sight and the rear sight is a integral notch on the breech end of the barrel. Fitted with a one piece varnished early style Navy style walnut grip.