Blue Book of Gun Values is a good place to start.
Browning never made a Model 51 shotgun.
Not a valid Browning serial number.
1943 browning light 12 belguim made $5K
Your serial number indicates that your Browning auto-5,12 gauge shotgun was made in the year 1949.
Requires professional evaluation.
50-600 usd
I would need to know what model of shotgun we are talking about before I can say when your browning was made.
Your serial number indicates that your Browning auto-5,12 gauge shotgun was made in the year 1949.
50-600 usd
Browning did not manufacture the gun. The gun was made by Stevens, using a Browning patent. Value is minimal, below $200.
Browning Auto-5 'Light Twenty' made in 1967. Value from $450-$1000.
500-5000 usd