apx 1956
12 gage
This was sold by Sears , made by Stevens between 1912 and 1942. It was not made by Browning.
@ 31-68
It may not have one. Rifles and shotguns made prior to 1968 were not required to have serial numbers.
Hard to say without a much more detailed description of your shotguns overall condition.
This would be a Stevens gun made c. 1921-1931. If it is fully functional, not quite like new but not badly worn, it should be worth between $150 and $250.
No
Numrich gun parts corp.should be able to help you.They may be found on the web.
May not have one- not required by law on rifles and shotguns until 1968.
50-250 USD Whats the Value of Steevens Double Barrel Shot Gun Savage 12 Gage Model 311 Series H
If it is side-by-side, probably Stevens.