caption: The image shows a Colt Model 1851 Percussion Revolver on a black surface. The gun is a six-shot, single-action revolver with a blued finish and a walnut grip. It has a 6.5-inch barrel and a 4-inch cylinder. The handle is made of walnut and the barrel is engraved with the Colt logo. The revolver is in excellent condition, with no visible signs of wear or damage.