This nice little Colt Third Model Deringer has 82% original nickel finish. The mechanical function is very good crisp and tight. The bore has nice rifling but does have several patches of corrosion. The serial number is 30785 and they were made from 1870-1912. All of the numbers and markings are sharp and crisp on this Colt Deringer. The grips are fine without any chips or cracks.