This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 98% - The bluing shows almost no signs of wear. Overall, the bluing is even and unworn.
Metal - The metal on this piece is in excellent condition. There are no significant nicks, scratches, or other marks of metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE