You were "seeking opinions" yet didn't like what I said in my reply. I told you the truth, your coin was
Machine Doubling. I suggest you become familiar with the minting process, then read past pages here on CCF to find what
DDO's look like as well as
Machine Doubling (and the differences between the two). Once you master these, you'll find looking up doubled dies within the reference sites to be a breeze. All of this research takes practice, and like anything else, the more you do it, the better you'll get at it.
I've been a member here on CCF for over a decade now, and I'm still learning and trying to help others along the way. Sorry for the bluntness of my reply, but I try to assist as many members as I can, and we have a lot of new collectors who need help as well. And FYI, this:

is part of my signature, being one of the few females here in a mostly male dominated field. Think what you like about it, but I like it.
