hi denny
members i made a error its a ppk not a pp thanks for your post denny on my early walther ppk yes i discussed this fact with joe watka according to dieter marshalls book on earl serial numbered walther ppk s he says early numbered ppk s with C.P.B. on the right side of the slide was Criminal Police Berlin then in later years the walther firm used K for kriminal police im sorry i dont have dieters book at the moment then another point was that the germans were starting to replaceing bank guards pistols from those big clumsy 1800 s revolvers with big bores to walther ppk s and marked as such to this large bank in berlin still a lot of researching to do . i promised joe watka that i will show him this walther pistol first if you or any one wishes to see this walther or the rest of my outher treasure pistols please stop by it would be my pleasure to meet all our members and chat about this wonderfull hobby after all we are the keepers of this great military history best andy militarynut