There are 3 dates that your Walther P38 could have been made.If it has a date of AC 1942,then it was made in december 1942.If it has AC 1943,then it was made in september of 1943.If it has AC 1944,then it was made in november of 1944.
Impossible to answer without the serial number.
There are serial number tables that have been published.
You will need to contact Walther to find out.
Someone at the p38forum.com might be able to help you.
Someone on p38forum.com might be able to help
Try posting at p38forum.com
Serial number and or proof marks
1931 to date
Your P.38 is a post war production, if in Exc+++ condition it could sell for $600.00+
You might have better luck at p38forum.com
With the serial number that you have supplied,your serial number dates to the year 1948.
No serial number = no answer.