Manufactured between 1954 and 1957. Patridge blade front and adjustable rear sights, with dual-vent porting at the muzzle and a pair of weights on the underside of the barrel. Most of the markings are standard commercial pattern, with "U.S." on the left side of the frame and a pair of checkered right-handed grips

Very fine, with 80% of the original blue finish, showing areas of gray patina, bright edge wear and scattered spotting and handling marks. A few dings are visible on the barrel. The grips are fine, with some edge wear and scattered dings. Mechanically excellent.