Susan b anthony

I have a nineteen seventy nine d susan b anthony  dollar.  Has myHas minor error on mint mark. But has mild ring of excess metal, inside rim of coin.  Don't think it is double die error, but not sure what it should be called, New at this, any help is appreciated.

Please upload photos first.

Welcome to numista,

without cropped, hi-res images of both sides plus of course the coin's dimensions, we cannot really help you. You have to help us first, please.