This is a featherweight aluminum trigger guard from a Winchester Model 70 rifle. The finish appears to be original, in exceptional condition.
Finish - 98%. The finish is smooth and dark, with no notable scratches, edgewear or fading. The only exception is the release button, which shows some light edgewear.
Metal - There are a few minor scratches or dings to the metal beneath the bluing, but no metal showing through.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE