On the cover: "Nur für den Dienstgebrauch der Waffen-SS" ("only for the service use of the Waffen-SS".
Rubber stamp of "Protektoratspolizei-Bataillon Böhmen", with a lion. The Bohemian Battalion appears to have been formed in the fall of 1942, and probably consisted of 3 companies totally 350 men. In the latter half of 1943, it assisted in the bombed areas of Bremen, Hamburg, Lübeck and Kiel.
Includes 1:1 scale fold-out schematic diagram of the machine pistol, bound at the back.
"Druck: Hermann Haase & Co, Berlin C 2"