Manufactured from 1857 to 1860. The top of the rib is marked "SMITH & WESSON SPRINGFIELD, MASS." The matching serial number is marked on the butt and on the inside of both grip panels. The matching assembly number "O4" is marked on the left heel under the grip, the back of the barrel lug and the front face of the cylinder. Blade front sight, blue barrel and cylinder, and silver plated brass frame. Fitted with varnished rosewood grips. Complete in an original Smith & Wesson Gutta Percha case with decorative caved lid showing the image of a Number 1 revolver and "MANUFACTURED ONLY BY/SMITH & WESSON,/SPRINGFIELD MASSACHUSETTS". The lining in the lid is a floral design purple velvet and there is purple velvet in the bottom and a 56 round cartridge block.