Luger DWM 1906 Naval. This is German Naval Crown M proofed on the left receiver. The back Satrap is Marked “II T.D.-463” = 2nd Torpedo Division-Gun 463. This has all matching numbers but for the grip safety and the reproduction magazine base. The left grip shows a chip. The blue rates about 60% and the bore is g-VG. Listed in Navy Lugers 1904-1940.