Manufactured during WWI for the Imperial German Navy, with the distinctive 6 inch barrel and 2-position notch rear sight. Dated "1917" on the front sight base, left receiver rail, and on top of the chamber, with the "DWM" monogram on the front toggle link, "crown" firing proofs on the barrel, extension and breechblock; and the "crown/M" Navy proof twice on the extension and once on the barrel. "GESICHERT" and "GELADEN" marked upper safety area and extractor, with straw finished small parts, niter blue pins and springs, checkered grips, and a nickel-finished magazine with hardwood base, which is numbered to match the pistol.