This is a steel Super Grade floor plate from a Winchester Model 70 rifle.
Bluing - 90% - The bluing on this floor plate shows some signs of wear on the edges.
Metal - The metal on this piece is in very good condition. There are a few minor scratches, but no notable nicks or 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