The Manurhin Walther PP with serial number 342862 was manufactured in 1961. Manurhin produced these firearms under license from Walther, primarily in the 1950s and 1960s. Specific manufacturing dates can often be verified through detailed records or collector resources.
Someone at p38forum.com might be able to help.
No such sn in the Walther convention
You will have to contact Walther
You will need to contact Walther
You will need to contact Walther to find out.
You will have to contact Walther to find out.
You will need to contact Walther.
Impossible to answer without the serial number.
The Walther P38 with a serial number 6660 was likely made in 1940. The P38 was produced during World War II, and early production years can be identified through their serial numbers. However, for precise dating, additional information such as the manufacturing code and proof marks would be useful.
You will need to contact Walther to find out.
Dieter Marschall's book on Walther has sn data in it.
You will can contact Walther, but probably 1943-45.