Post-war assemblies of Luger P08 from mixed parts (Imperial/Weimar/Third Reich), with non-matching serials.
Refinished with hot salt bluing, typically dark and uniform. Common electric pencil renumbering for standardization.
Typically mismatched examples reflecting East German refurbishment practices, vopo grips typically.
In this pistol, the frame is dated 1937, while the receiver and barrel are dated 1936. At the end of VOPO example.