With the serial number that you provided,your Browning sweet sixteen shotgun was produced by FN of Belguim for browning in 1952.As for the value of your shotgun,it will be based on the original finish having between 60%-90%.A plain barrel model will be 425-725 dollars,a solid matte rib model will be 600-950 dollars,and the vent rib barrel model will be 675-1,050 dollars.