SN8908 all matching numbers except for loading lever which has no nr.Frame marked Colt's Patent US and several inspectors markings. Only 2700 made. Civilian model so called "over run" model.
H.Hart is written in pencil in the backstrap inlet, and the serial number is written in the butt inlet. The Hart family was Samuel Colt's wife's maternal line, and Henry G Hart was British military officer in the period and would have been a major at this point. He was the creator of the Hart's Army list.