Check link.
You will have to call Browning
87 years old
Call Browning and order a historical letter.
Call Browing with the serial number and they can tell you.
use the link below http://wiki.answers.com/Q/What_is_the_value_of_a_Browning_Sweet_Sixteen
Your browning sweet sixteen was made by FN of belguim for browning in 1924.
Your browning sweet sixteen was made by FN for browning in 1951.
Your Sweet 16 should be a 1949 gun.
1924
1951
This was made in 1949
Your Browning sweet sixteen model auto-5 shotgun was made in the year 1956.