++COLT POLICE POSITIVE .38 S&W S

SN: 102138A 38 Special with a 4"-barrel, fixed sights, and a blued finish. The Colt Police Positive Special is a small-frame, double-action revolver that was introduced in 1907. It featured a six-round fluted cylinder and was primarily chambered for the . 38 Special cartridge and the 4 " variation weighed a scant 23 oz.