No
'Best' is a very subjective thing. If I were to make a personal recommendation, I'd go with the Ruger 10/22.
Well the mini 14 comes in stainless steel. That is made by Ruger. There is also a Ruger 22 cal. stainless steel rifle.
No
Marlin and Ruger are two.
No
Impossible to answer without the serial number.
It is close. And if you contact customer service at Ruger with make, model, and serial number, they can help. http:/www.ruger-firearms.com
The value of ANY firearm is based on the exact make, model, variants such as type of barrel or sights, and condition. Without that information, we cannot offer a realistic answer. The Ruger Mk 1 may be worth for $75 to $250.
The value of ANY firearm will depend on the EXACT make, model and condition. The Ruger auto pistols can range from $100 for a well worn Standard Auto with the 4 inch pencil barrel, to around $600 for an excellent condition heavy barreled 6" Model II Target version.
Make, model, condition. We need all 3 factors.
Mossberg More Gun for the Money by halvin might help you