The Model 1 First Issue revolver was manufactured by Smith & Wesson from 1857 to 1860 in six various types. This particular revolver is a Model One, 1st Issue, 6th Type. The revolver is equipped with blade and notch sights and features a 7-round unfluted cylinder, silver plated brass frame with blue barrel and cylinder and fitted with two piece smooth rosewood grips which are numbered to the gun. The top of the barrel is marked with the one line Springfield address and the cylinder has the patent dates marking.