Your Browning sweet sixteen auto-5 shotgun was made in the year 1948.
E gunparts should have one.
CHeck the receiver.
Look on the receiver.
Your browning sweet sixteen was made by FN of belguim for browning in 1966.
your browning sweet-sixteen with the serial number you provided was made by browning in belgium by FN in 1956.
Your browning sweet sixteen was made by browning in 1961.
Check the Browning web site or call them
What_is_the_value_of_a_Browning_Sweet_Sixteen
You will need to call Browning.
You did not provide a serial number. You will have to call Browning.
Check the receiver, barrel