You can go and type in "Walther PP" in the search box in Wikipedia. But if you want to know the answer right now it is; Started producing 1929-present and it has been in service 1935-present.
You will have to contact Walther to find out.
Impossible to answer without the serial number.
Walther is a German company. However, some Walther pistols have been made in France and in US by Smith and Wesson under license.
Depends on when it was made.
The Walther PP was made in 5 different calibers- ONE of which was .32 Auto. If the gun is question is a .32, it can shoot .32 auto. If another caliber- no.
You will need to contact Walther
You will need to contact Walther.
No such sn used by Walther.
Someone at p38forum.com might be able to help.
The PPK/s is a PP with a PPK slide.
You will need to find a copy of Dieter Marschalls book to get the answer.
You will can contact Walther, but probably 1943-45.