This is a standard steel floor plate from a Winchester Model 70 rifle, and she's a bit worse for wear.
Bluing - 80% - This floor plate has factory bluing. The bluing on this floor plate shows noticeable edgewear and fading.
Metal - There are a few light scratches to the metal.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE