Not as far as I know?And you're right, it's already looking a possibility that some die reworking, or secondary sets, are involved. The vertical lines in the shoulder are preliminarily catching my eye, as the second from left one, does not reach to the bottom on some examples, and is faint and frail on others. What happened to the 'ridge' on the die we won't know, but it clearly looks to have been properly smoothed off at the mint at some point (if those coins do indeed turn out to be genuine)? It we could chronologically tie that in with other historical 'developments' on the die, I think it might be an interesting 'tool', as I'm thinking, this could potentially be an area that's ignorantly 'cleaned up' on a cast? I wonder what the lifespan of a cast is, how many coins might be expected from it?