This is a Super Grade steel floor plate from a Winchester Model 70 rifle. This floor plate has the carbonum bluing found on the very early rifles with a serial number under 20,000
Bluing - 98% - The finish on this is near perfect; even and dark, without any wear.
Metal - The metal on this piece is in excellent condition with a few light marks only noticeable under close examination.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE