This is an 80% blue Second Model American in 44 S&W American caliber. The mechanical function is very good, crisp and tight, with excellent bright and shiny bore. It still retains 85% case colors on the hammer and trigger and trigger guard. The serial number is 21732 and it has all matching assembly numbers. This is an 8” barrel and a total of 20735 were made from 1872-1874. The serial numbers began and 8000 and went on to 32800. This is really and nice 44 S&W American.