What is the value of a Browning Semi-automatic Standard weight 1957 model Serial number M 57942?

Your Browning auto-5 standard weight shotgun will have 3 distinct values based on the shotgun having between 60%-80% of its original finish remaining.First if you have a plain barrel model the value will be between 250-325 dollars.If you have a solid matte rib barrel model then the value will be between 295-375 dollars,and last if your shotgun has a vent rib barrel.The value will range between 395-475 dollars.