Dooh! Just figured that one out. Well looking again at the
dime, the area you are seeing marks are on the field. Nothing is added to the devices. So its not hub doubling. Wexler has nothing listed on the dime for an obverse doubled die.But it is not connected. It is one the wrong side of the devices to be
Die Deterioration Doubling. The mark to the left of the 'E' on the outside maybe a contact mark. It doesn't appear as planchet damage, but it matches the shape of the hub. (but not exactly) It is not part of a clash:

All I can do is to tell you what it isn't. But so far, not what it is?