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.