

After Interarms took over manufacture of the PPK in the US, they used a K as a prefix on their PPK serial numbers. Interarms ppk s serial numbers, interarms ppk serial numbers, interarms walther pp, interarms walther pp serial numbers, interarms walther ppk serial numbers.From serial number listings, it appears to be produced in 1940.

OK, I give Up! My Serial # 286892 PPK has me completely baffled.
