Depending on condition, $300-$500 (for an excellent specimen)
Model 91 is a model number for handcuffs. If you mean a Single Shot Model of 1891, the single shot pistol, 100-2000 depending on EXACTLY what you have and condition.
any single or double action semi-automatic pistol listed as a 40 caliber pistol...............
a gun lol
It is a double action pistol
Which model? sales@countrygunsmith.net
I assume your single action is pre-war ? If so, then made about 1907. As to the caliber, check markings on barrel. that should give the caliber.......
A .44 caliber derringer.A small pistol called a Philadelphia Derringer.
Most likely J Stevens
if you are taalking about a single action ??? made 1910
Blue Book of Gun Values
They didn't. The barrel swung out to the side. 1926-35
A single-shot .44 caliber derringer pistol.