We would need to know the model number and other specifications to possibly answer your question. As with any firearm, it is not possible to accurately appraise a gun without seeing it. Recommend that you see a local gun dealer for an appraisal.
1966 was the year of mfg.
50-800 usd
100-1200 usd
No such weapon made by Browning.
4 means 1964.... G means light weight... 32667 gun serial number
By the serial number.
What is the age of a belgium 9mm browning hi power serial number 72c41055
Your serial number indicates that your Browning light weight auto-5 shotgun was made in the year 1971.
Not a valid Browning serial number.
You will have to call Browning with the serial number.
No such model number.
No serial number given.