50-350 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.
$1600 if in excellent codition
100-1000 USD or so
50-500 usd
If that is the complete serial number, it was made in 1935. Value is $350-$650.
very high
0-400 usd
50-500 usd
Requires professional evaluation.
The value of a Sears Roebuck M-66 gauge automatic shotgun depends on its condition. This gun in excellent condition is valued between 120.00 and 180.00 as of 2014.
these auto-5 shotguns are currently valued at between 450-650 dollars depending on the overall condition of your shotgun.
Impossible to value with just the sn.