Look for a book by Dieter Marschall
Go to Browning.com
It is a very rare, small rifle, and I think it was made by Walther gun company, although I think other companies produced them too.
You will need to contact Walther to find out.
You will have to contact Walther to find out.
Walther uses a date code of two letters.
Impossible to answer without the serial number.
no history was kept on lugers
You will need to contact Walther to find out.
Please describe your Walther in more detail - can find NO references to a Model PK100.
You need to find a copy of Dieter Marschall's book on Walther handguns.
You can get a letter from Colt. It will cost from 75 on up depeding on specifics. Check their web site.
Walther, earl's repair service, gun shop, want ad, gun show