100-1000 depending on the usuals.
Need a detailed description of ALL markings.
I recently saw a used Interarms model in averaqe condition for $420, no case or manual included.
100-350 or so
You need to seek a professional appraisal
.380 or 32
Contact Walther Arms website. Spell Walther correctly.
Someone at p38forum.com might be able to help.
Why not ask Walther instead of us? Waltheramerica.com
100-1000 USD depending on specifics
9mm and 380 use the same diameter projectile, .355 inch
The Remington Model 51 pistol was not made by Walther. Has nothing to do with Walther. See the link at the right for a reproduction manual. sales@countrygunsmith.net
Anywhere from 100 to multiple thousnands of USD