Fox Collectors

Under the barrels on the receiver is the lettres M O and the letter G in the circle. I take that to mean that it is a 1955 year release. What would you think is a price for it.

On the barrels there is the standard = FOX Savage arms corporation, Chicopee falls Mass. usa MODEL B on the Left barrel. Proof Tested 2 3/4 inch chamber 12 GUAGE. On the right barrell. On the receiver is the fancy scroll work with FOX in the middle on both sides. The bottom has fancy scroll scene of...

I have a Savage/Fox side by side that has either chrome or polished barrels. The markings on it are M O with a G in a circle. Did this shotgun come with these barrels, or were they polished or chromed. I am trying to date this shotgun and price it. Please help.