Your gun is a Browning Auto-5 that was manufactured in 1932. It is a recoil operated semi-auto shotgun that was designed by XXXXX XXXXXing. Early guns were made in 12 and 16 gauge with barrel lengths from 26" to 32". It has a blued finish with a walnut stock and forearm. There are 4 grades that differ in the quality of the wood and the amount of engraving. The barrel can be plain or have a vent rib or matte rib (solid) The grade of your gun will determine the value. The values for a Grade I with a plain barrel are: excellent-$500, very good-$400, good-$300, fair-$250, poor-$150.
For a matte rib barrel Grade I the values are:
excellent-$750, very good-$600, good-$400, fair-$300, poor-$175
For a Grade I with a vent rib barrel the values are:
Excellent-$825, very good-$650, good-$475, fair-$375, poor-$200.
Deduct 10% for the front safety on Grade I and II guns
Examples of the 4 grades follow.
Grade I Grade II
Grade III Grade IV
I hope this helps you,