Can you provide a scan of the whole coin? My first instinct is that you're looking at post mint damage possibly caused by someone's keys.
Possibly - but it kind of appears as if the pointed sections were pushed up and over the incuse area - which would mean it occurred at the strike.
Coin was uncirculated. It came in bag directly from mint.Maybe it's from rim hitting coin while bagging?
I would think it's just contact damage that occurred after the strike. These appear to be reeding impressions, perhaps impressed at a shallow angle.