How much is a Browning 16gauge made in Belgium with serial number R483xx worth used but good shape?

Your Browning standard 16 gauge auto-5 shotgun which was made in the year 1955 will be valued at 325 dollars for a plain barrel,375 dollars for a solid matte rib barrel,and 465 dollars for a vent rib barrel model,all with a 80% original finish remaining condition(good shape).