This is a standard steel trigger guard from a Winchester Model 70 rifle. The guard has a triangle-dash mark on one edge, indicating that it is pre-war. It has been reblued in the pre64win.com shop.
Bluing - Refinished. The new finish is smooth and even with no fading, edgewear, scratches, freckling, or other cosmetic flaws.
Metal - The metal is in excellent condition with no sign of wear or damage.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE