Need to know all the markings on it, barrel length, finish, engraving (if any) and the serial number. Without that information the broad price range is 100-1000 USD.
Which model?
50-550 usd
Impossible to value with only a serial number.
Up to 1000 USD
50-500 USD depending on specifics.
$1600 if in excellent codition
Browning didnt make Berretta's. What model gun do you have?
To determine the exact value of a Browning automatic 20 gauge shotgun made in Belgium, a couple factors would need to be taken into consideration. Some of these things are the age and condition of the shotgun.
100-10000 USD depending on specifics.
10-800 usd
If that is the complete serial number, it was made in 1935. Value is $350-$650.
300-500 USD.