This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - Reblued - The bluing is even and dark, without notable wear. There is a cosmetic defect to the bluing, located on the hinge tab.
Metal - The metal on this piece is in very good condition with no significant scratches or dings.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE