Acrostolium (again)

I lied.  I wasn’t ready to move on.  I kept poking around and my eyes caught this specimen from Andrew McCabe’s collection:


And I was surprised to see a head in the acrostolium because I thought I knew all the Roman republican types with this sort of head.  All two of them.  We discussed them at length earlier.  So I checked Crawford.  No such note.  Then the ANS and BM specimens.  Possible but nothing that really looked conclusively similar.  The auction catalogs gave slightly better results and I turned that uncia above.  The neck of the head seems really clear.  I assume that even when it isn’t clear, it is meant to be there: