With the serial number that you provided,your browning auto-5 shotgun was made by FN of belguim for browning in 1907.
your browning auto-5 was made in belguim by FN in 1914.
The Stamp on the guns.
Your browning auto-5 shotgun was made by FN of belguim for browning in 1957.
Your browning auto-5 wa made by FN of belguim for browning in 1931.
Your browning auto-5 magnum shotgun was made by FN of belguim for browning in 1965.
Your browning auto-5 light weight was made by FN of belguim for browning in 1960.
Your browning auto-5 was made by FN of belguim for browning in 1958.
your browning auto-5 shotgun was made in 1926 by FN of belguim for browning,with the serial number you provided.
Your Browning auto-5 shotgun was made in the year 1927 by FN of Belguim if it is a 12 gauge shotgun.If you have a 16 gauge model Browning auto-5 shotgun.Then this was made in the year 1934,again in the country of Belguim by Fabrique Nationale (FN).
Your browning auto-5 shotgun was made for browning by FN of belguim in 1925, with the serial number that you provided.
If your Browning auto-5 shotgun is a 12 gauge model then it was made by FN of Belguim for Browning in 1907.If you have a 16 gauge model,it was made in 1921.