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?
100-10000 USD depending on specifics.
10-800 usd
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.
If that is the complete serial number, it was made in 1935. Value is $350-$650.
Belgium