Whats it worth?
If your browning shotgun is a auto-5 in 16ga. then it was made in 1929.
Browning's web site has a sn search function.
If you are asking about a Browning Auto-5 shotgun,then it was made in the year 1923,with the serial number that you have provided.
The 76V sets your browning auto-5 shotgun as being made in 1976.
A browning auto-5 shotgun with the serial number you provided,was made by FN of belguim for browning in 1914.
If it was manufactured before 1968 it probably doesn't have one.
It is a Stevens shotgun, based on a Browning patent. Inexpensive.
Stevens 5100 was manufactured from 1931 until 1941
If it is an Automatic - 5, it was made in 1925