Are we talking about a auto-5 shotgun,or a BPS(browning pump shotgun),or a over-under shotgun(citori, or superposed)These answers would help me determine the value of your shotgun which was made in 1980.
100-400 usd
100-10000 USD depending on exactly what you have, condition, etc..
500 USD
A Browning automatic light 12 gauge shotgun with a gold trigger is worth between $300 and $1,000. The actual value varies greatly based on the specific model and its overall condition.
375-550 dollars, depending on overall condition of your shotgun.
100-500 uSd
The Browning light 20 which was introduced in 1958 is selling for between 460-650 dollars for a shotgun with between 60%-90% original condition and a good bore.
50-500 usd
The model b-80 is valued at between 230-400 dollars depending on the overall condition of the shotgun.
50-600 uSD
70-700 usd
How much is a Browning Sweet 16 gold trigger shotgun worth?