I do have to say, the "OP" (what does that stand for?) was asking an innocent question. Yes, there are a lot of folks asking about PMD's claiming to have found "rare errors", but :
A: The OP didn't say this was an error. They found the coin interesting and were interested in any info. We know it's a PMD, but they might be new to the hobby.
B: Haven't we all gone through the "error hunting" stage? I started there, then I got my self straight, and started collecting real coins.
Just wanted to point that out.