Serial numbers allow for dating when produced.
This is a Belgian Browning Lightweight 12 Ga. made in 1965
This is a 12 ga. gun made in 1948
50-550 usd
By the serial number, then try: http://www.browning.com/customerservice/dategun/index.asp
according to Browning you have a Light A-5 12 ga. made in 1960. Hope this helps
If this is the complete serial number and it is an A5, then it was made in 1929. Verify by noting that the 1929 guns said "Ogden Utah" on the barrel.
Made 1970
No serial number = no way to answer. Call Browning.
No serial number given.
1987
impossible to answer without a sn.
2011