Patented April 3, 1855 this is an excellent example of Smith & Wesson's first mass produced revolver. Smith & Wesson manufactured 6 different variations of the First Model between 1857-1860. This is the rare 2nd variation, the last of the "bayonet latch" barrels with total production of the 2nd variation around 917. German silver blade front sight with standard one line "SMITH & WESSON SPRINGFIELD, MASS." address. Matching numbers on the frame, barrel, grips, and cylinder. Silver plated frame with blue barrel and cylinder. Finished with smooth rosewood grips. The original factory gutta percha case has the depiction of the revolver on the lid with a number of smaller revolvers, 4 shields and some scrollwork in each corner and the legend "MANUFACTURED ONLY BY/SMITH & WESSON/SPRINGFIELD, MASSACHUSETTS". The case is padded velvet with a floral design in the center inside the lid and red felt on the bottom, along with a 55 .22 caliber cartridge block.