Introduced in 1910. One-line address on the right side of the slide, "WALTHER'S - PATENT" caliber over the Walther banner on the left side. "Crown/N" proofs on the left side of the frame and slide, and export mark "MADE IN GERMANY" stamped vertically on the left side of the frame (and on label on box lid). Fixed sights and fitted with black checkered hard rubber grips. Includes an original black leatherette style Walther box with instruction manual.(These boxes are exceptionally scarce!)