Your Browning auto-5 standard weight shotgun which was made in the year 1946,will bring between 600-675 dollars for a plain barrel model,900-1,000 dollars for a solid matte rib barrel model,and 800-900 dollars for a vent rib barrel model in the condition that you describe.You will loose some value due to the poly choke that was installed on the shotgun,but make it back buy the fact that you have a 16 gauge,instead of the standard 12 gauge.