Impossible to answer without the serial number.
You will have to contact Walther to find out.
No such sn used by Walther.
You will need to contact Walther
You will have to contact Walther to find out.
You will need to contact Walther.
Someone at p38forum.com might be able to help.
You will can contact Walther, but probably 1943-45.
@1944
70-85
@ late 70's
Roughly 1940-1945
Possibly late 30s
Dieter Marschalls book should have the answer.