Just the manufacturer.The browning auto-5 shotgun was made by FN of belguim for browning between 1903-1975.After 1975 the browning auto-5 shotgun was made by Miroku of Japan for browning,both companys made the same shotgun with the same patent of john m browning.While most in this country feel that the quality of the belguim made guns are far bettter(and there is some truth to this) The japan made firearms are of excellent quality,fit and finish.I know because I have owned both.
12 gauge Belgian Browning shotgun, serial #296305
The barrel will be marked "Made in Belgium"
Yes
your browning auto-5 shotgun was made in 1947.
Your browning auto-5 shotgun was produced in 1931.
Your 1965 made browning auto-5 magnum shotgun is valued at between 365-525 dollars based on your shotgun having between 60%-90% original finish remaining and a good bore.
your browning 16ga auto-5 shotgun was made in 1949.
50-550 uSD
To many variations over the past 100 yrs to answer.
90-550 usd
Your browning auto-5 12ga lightweight shotgun was made by FN for browning in 1967.
If you have a Browning auto-5 shotgun in 12 gauge then it was made in 1927.If you have one in 16 gauge then it was made in the year 1931.