Impossible to answer until you tell us if it is a pre or post 86 made weapon.
value of a beretta model 413
Contact Beretta
500 USD
40 USD or so
You will have to contact Beretta for the correct answer.
You will have to call Beretta to find out.
Call Beretta customer service.
75-250 US Dollars
Around $375, depending on exact model and condition.
Check the Beretta website.
Without knowing which model Beretta you refer to, nothing.
If you want an estimate of value then you will have to state the model and the condition of the pistol.