It sure looks like something above and beyond the die deterioration lines on the coin flowing into the rim
You are correct. If it's a result of a clash, it would be a Counter Clash. The lettering on the obverse is wider. This looks like the same lettering just offset to the lower left.
I have a few that are very strong ,Date area. I thought i had something until, I read the error- ref myself. they were fun to find.
Yep, post and learn. There is always willing people to help and point you in the right direction. Always fun to see something new.