Those are feeder finger die scrapes. When the feeder fingers get damaged by being bent or struck on, the these bent fingers will scratch the dies.



When this happens the dies are polished off on the fields (the outside of the die) and this removes some of the fields and sub devices:


This will leave the die rough and if not polished out, the affected area will be dull looking on the coins:




When this happens the dies are polished off on the fields (the outside of the die) and this removes some of the fields and sub devices:


This will leave the die rough and if not polished out, the affected area will be dull looking on the coins:


























