This made me think. 
First I considered a split collar scenario.
If the collar were split then I think the rim that is showing (pushed) inward toward the design would be obliterated when the coin was struck between the dies.
The detail of that wheat ear would be a lot weaker too.

Post mint damage
First I considered a split collar scenario.
If the collar were split then I think the rim that is showing (pushed) inward toward the design would be obliterated when the coin was struck between the dies.
The detail of that wheat ear would be a lot weaker too.
Post mint damage



















