Is it an original piece, or is it a replica?, what is the Country of origin?, who manufactured it?, is it military?
These are all questiones that have to be answered , your question is far to generic.
what is the value of a jukar black powder pistol 007806
10-100usd
50-325 usd
25 HUNDRED
What is the value of a 1850 colt black powder with ships engraved serial number33700
Lacking any more of a description; 5-100 USD
Stacey received a tongue lashing from Uncle Hammer because he was upset that Stacey had given away the pearl-handled pistol that belonged to Hammer's deceased wife. This pistol held sentimental value to Uncle Hammer, and he was disappointed that Stacey had not respected its significance.
$75-$100
Dikar Spain-45 Cal black powder only
10-100 usd
1200
$100