This is a standard steel floor plate from a Winchester Model 70 rifle. It appears to have been refinished.
Bluing - Refinished. The new finish on this floor plate contains no edgewear, scratches or fading. There is some subtle unevenness in some areas.
Metal - The metal is in very good condition, with 1 small area of light pitting or freckling that is covered by the new finish.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE