These 9 models illustrate the eveloution of Walther pistol design which culminated in the Walther PP (Polizeipistole) introduced in 1929 and the Walther PPK(Polizeipistole Kriminalmodell) introduced in 1931. When the Model 2 was released in 1914, this pistol became known as the Model 1. In 1910, Walther introduced the 'Deutche Selbstlade Pistole Walther' in 6.35mm. This is one of a series of identification guides for small arms produced by Walther. Walther Models 1-9, PP, PPK, and P38 Pistol Identification Guide
