This is an exceptional example of an original pre-WWI DWM Model 1906 First Issue/altered safety Imperial German Navy Luger. These were the regulation pre-WWI Imperial German Navy issue Lugers used from 1904 through WWI and even into the Weimar era. These are still a scarce variation as it retains its six inch barrel. Almost all were reworked or destroyed under the Versailles Treaty after WWI. This series of Navy Lugers have the standard grip safety, the altered second pattern (upper) marked safety with no chamber date and has been modified for the magazine safety. The left side of the barrel extension has the double crown over "M" proofmarks with the smaller Imperial Crown firing proof, that is repeated again on the left side of the barrel. The frame and underside of the barrel are both correctly numbered with the full serial number (2106a). The last two digits of the serial number (06) are correctly stamped on the various small parts. The back strap is unit engraved "W.K./8161", indicating issue at the Navy dockyard or station at Kiel. Fitted with un-numbered checkered walnut grips and an original nickel plated Navy issue magazine with the wooden base, with concentric circles on the ends. It is correctly stamped lengthwise on the wooden base "+/5028/Crown M" Navy proof. T