4" barrel, 9mm caliber. Has a stock lug; skull and crossbones are stamped, in addition to date of manufacture, on chamber area. Date was from 1914-1918. Extractor and safety are both marked. Waffenamt proof is present. Thought that this variation was produced for 1930-1933 era "SS" division of Nazi Party. Mixed serial numbers are encountered on this model and do not lower value. A rare Luger on today's market.

4" barrel, 9mm caliber. Has a stock lug and chamber area stamped "K.I." above date 1933. This stood for Cadets Institute, an early "SA" and "SS" officers' training school. Extractor and safety are both marked and Waffenamt is present. Only a few hundred reworked and variation is quite scarce. Be wary of fakes.

4" barrel, 9mm caliber. Entire weapon is void of identifying markings. Extensive refurbishing, removal of all markings, re-barreling, etc. Stock lug is present and extractor and safety are marked. Waffenamt proofmark is on right side of receiver. Number manufactured is not known.