This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 85% - The bluing on this floor plate shows significant signs of wear throughout the piece.
Metal - The metal on this piece is in very good condition. There are some minor scratches on the piece, but no significant nicks 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