The Walkers are selling in the $250+ range depending on condition, The best way to determine actual value is to search the on-line auctions, such as gun broker and auction arms or even proxibid enter your details in the search and see what is selling and for how much. You can also search the archives and or sold items to get an idea of what your gun is selling for. Another place to look is The blue book of modern black powder values, available from midway USA and blue book publications as well as many of the other hunting and firearm stores. Also available to NRA members on - line for free on there web page. That will give you an idea of the general value.
make should be stamped on pistol
Made in Italy. 50-150 USD
depending on overall condition $150 - $200
Navy Arms was an importer. It was most likely made it Italy
It's a replica. More replica black powder guns are made in Italy than anywhere else. I am not aware of any guns marked 'Made in Italy' being used in the Civil War.
No
Italy is the correct answer
50-150 or so
IIRC, Italy
Investarms of Italy
Yes. Itally is the country had invented talcum powder during 19th century
20-50 USD