I'm not quite sure if this is a ddo or not, but I didn't want to throw it in with my pennies until I was sure. the firs is of what I believe to be a ddo, the second is a regular so you can compare.
I personally don't see any doubling, in fact I looked at pics and thought they were the same coin just different angles, before I read your note that they were different.
Never hurts to ask Charles. Stupidest question is the one that's never asked, though I'll receive flak over that statement.