This is a Colt Bisley 5 ½” 32-20 caliber S.A. and was made in 1896. It is all matching numbers, SN 166099. The mechanical function is excellent, crisp and tight. The bore is very good, bright and shiny with strong rifling. It retains 78% blue and 82% case colors. Only the ejector housing is missing some blue. The grips are about excellent. This is a really nice Colt S.A.