Best left to a professional ---------------------------------new answer--------------------------- See the link below for the parts diagram.
plenty of difference the ppks is a shortened version of the walther pp - it is not a ppk - thanks to stupid govt regulations
The PPK/s is a PP with a PPK slide.
1969-1984
no published sn data.
100-1000 USD depending on specifics
100-1000 without more information.
Someone on the P38forum.com might have access to that kind of data.
You might have better luck on P38forum.com
Anywhere from 100 to multiple thousnands of USD
It's not designed to do so. (No.)
No such serial number in the PPK/S range.