By the question it is assumed that the gun was new in 1949 and would have been made in 1948 or 1949. To value this gun, it will depend on original condition. Typically these front trigger safety guns sell from $350-$500 on the average. A near mint gun could get to $1000 mark, but a professional appraisal is reccomended.
Your browning sweet sixteen was made by browning in 1949.
1949.
Made in 1949
Your browning sweet-sixteen was one of the last six shotguns made by FN of belguim for browning in 1949.
Your browning model auto-5 shotgun was made by FN for browning in 1949.
Your Sweet 16 should be a 1949 gun.
With the serial number that you provided,your Browning Sweet Sixteen shotgun was made by FN of Belguim for Browning in the year 1949.
This gun was made in 1949
This gun was made in 1949 auto5man
Need a detailed description
Made in 1949 http://wiki.answers.com/Q/What_is_the_value_of_a_Browning_Sweet_Sixteen
50-550 usd