This one is marked S.F.P. 201 and is in excellent mechanical function, crisp and tight. The bore is excellent, bright and shiny. All markings are excellent sharp and crisp. The front wood has a few dings with the tinniest nick on the right rear edge of the grip and the rear wood has only a few small dings from being in the arsenal rack. The metal is excellent plus and rates 98% original condition. Only 401 were made for the San Francisco Police and are rare.