dont know
Savage/Stevens.
1947 - 1953
Flayderman's Guide to Antique American Firearms
Blue Book of Gun Values, Standard Dictionary of Firearms.
Contact Customer Service for Savage Firearms. They have owned the Stevens name since the 1920's.
The Stevens Model 520 was built on a Browning patent and so marked. Stevens also built the gun for Sears before World War II under the 'Ranger' tradename, so if you have a slide-action shotgun marked 'Ranger' and 'Browning Patent' then that is what you have.
What type of action? Ranger usually means it was sold through the Montgomery Wards catalog.
425
Tops out at $100-$125. sales@countrygunsmith.net
The savage/stevens model 58 was made during the years 1933-1945,with a total production of 29,500 firearms made.
Can't be determined from the markings you list.
Ranger Shotguns were sold by Sears Roebuck and Company. Several companies made the Ranger including J. Stevens Arms, Merlin, and Hunter Arms.