This is a standard steel floor plate from a Winchester Model 70 rifle.
Bluing - 98% - This part has been reblued. The bluing on this floor plate has a smooth matte finish and shows almost no signs of wear.
Metal - The metal on this piece is in excellent condition. There are a few very light scratches across the face of the floor plate, but there are no other significant marks of metal damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE