Manufactured between 1889 and 1903. The barrel is marked on the left flat with the two-line Chicopee address and patent information. Fitted with a blade front and a fixed rear notch sights. The hammer and trigger are checkered with a nitre blue finish. Fitted with checkered grips and a wide heavy butt. The serial number "51" is found on the barrel, inside of the trigger guard and the left side of the grip frame under the wood.