Before this question can be answered ,you will need to include if this Walther p-38 is a wartime production model(with Nazi proof marks),or if you have a civilian model made after World War II.
You will need to contact Walther to find out.
1961
Dieter Marschall's book on Walther has sn data in it.
Try asking on the p38forum.com
Try the P38forum
Someone at the P38forum.com should be able to help
Someone at the p38forum.com will probably be able to help you.
Someone at P38forum.com might be able to assist you.
You will have to find a copy of Dieter Marschall's book.
Double check your weapon. Your sn does not appear to have enough digits.
5000$
Rupan sansei Walther P38 - 1997 TV is rated/received certificates of: USA:PG (DVD rating)