Contact Browning or compare against known examples.
That is a 1938 gun. Value on the prewar guns are slightly less than the later guns. They were all engraved, but there were several different grades. You would need to have it evaluated in person. Value can range from $800 to over $10,000.
12 gauge Belgian Browning shotgun, serial #296305
Need the serial number to answer.
YOu must call Browning.
Serial numbers allow for dating when produced.
Exactly how is the pistol marked? 9mm browning serial number 72C44338
You will have to call Browning with the serial number or go to their website and look it up.
1951.
1934
What model?
1973
1967