Depend on who made it and is it an original or Italian copy.
150
10-100 usd
50-200 usd
20-100
In perfect condition, $100.00
20-60 or so
15-75 dollars
25-50 USD
50-400 or so
100-450 or so
25-100
What caliber? Most of them are junk. Considered a Saturday night special
25-60 USD or so