The top of the barrel extension is dated 1916 and the toggle is marked "DWM". The right side of the barrel extension has the three Crown over Script proofs next to the Imperial Eagle proof and the left side has the full serial number that matches the frame and barrel. Matching partial numbers are present on the inside of the grips and on the small parts. The Imperial Eagle proof is also marked on the top, rear of the barrel and left side of the breech. Checkered grips, with a nickel finished wood base magazine.