Can't be answered without a serial number.
1951 was the year this gun was made
1924
1972
You will have to call Browning or visit their web site or provide the serial number.
Your serial number indicates that it was produced in the year 1951.
No
1949
your browning auto-5 shotgun was made in 1928.
@ 9 pounds
The 69G prefix to your serial number indicates that you have a Browning Light weight 12gauge auto-5 shotgun,that was produced in the year 1969.
Provided that is the entire serial number, 1912.
The 76V sets your browning auto-5 shotgun as being made in 1976.