50-200 usd
whatever someone will pay for it.
The company is worth millions.
100-500 or so
Around $375, depending on exact model and condition.
No way to answer without a DETAILED description of the finish and overall condition.
If you want an estimate of value then you will have to state the model and the condition of the pistol.
Value depends on EXACT model and condition, but a pistol such as the Beretta Model 21 may be worth $125-200.
Please repost with ALL markings, a description, and condition, You did not give enough info for us to answer in a meaningful way.
Your Beretta .32 Auto is worth $100-200, depending on condition and markings.
Blue Book of Gun Values will help.
Impossible to answer without a detailed description of all markings and condition