Manufactured in 1955. Patridge blade front and adjustable square notch rear sights, with the two-line address/patent on the left side of the barrel, "MATCH TARGET" beneath the Rampant Colt on the left side of the frame and the caliber marking on the left side of the slide. Fitted with a serrated trigger, slide catch, safety and grip straps, push-button magazine catch and checkered ambidextrous grips. With a Colt leatherette box, bearing a proper gold and green label, barrel brush, add-on plastic back strap extension and a "Handling the Handgun" pamphlet.