Impossible to answer without the serial number.
your browning auto-5 shotgun was made in 1926.
your browning auto 5 was made in 1922.
You must indicate shotgun or rifle and model.
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.
Your browning magnum auto-5 shotgun was made by FN of belguim for browning in 1964.
Browning.com has sn data under customer service.
1951
$1600 if in excellent codition
The 4G prefix to your serial number indicates that your Browning auto-5 light weight shotgun was made in Belgium for Browning in the year 1964.
50-1500 USD depending on specifics.
Depending on age and condition of your browning semi-auto shotgun?You will find the value ranging between 350-550 dollars for your browning auto-5 shotgun.
Your serial number indicates that you have a standard weight Browning auto-5 shotgun that was made in the year 1958.