A few hundred to tens of thousands depending on specifics
If you are talking about a Browning auto-5 shotgun?Then if yours is in 12 gauge it was made by FN of belguim for Browning in 1925.If your shotgun is in 16 gauge then it was made in 1929.
50-550 usd
Receiver
50-5000 uSD
-60-600 usd
1200.00
You have a browning auto-5 shotgun.With the serial number that you provided it was made by FN of belguim for browning in 1951.You have a fine shotgun that with proper care should give you many more years of fine use.
50-5000 USD depending on specifics.
What is your question?
Please check the following link http://wiki.answers.com/Q/What_is_the_value_of_a_Browning_Sweet_Sixteen
350-550 dollars depending on overall condition.
You will have to call Browning to find out.