Impossible to answer without a detailed descripiton. A guess would be 10-100 USD
100 at the outside
50-100 USD
25-75 USD or so
Blue Book of Gun Values will help.
50-125 USD
what is the value of a harrington and richardson 1895 revolver
50-125 USD or so
$100 to $400 US depending on the condition.
$25-$175, depending on model and condition.
50-100 USD or so
50-130
5-150 USD depenidng on specifics.