The pictures I hope are clear enough to make a determination if it's PMD or something else, Seem like I see some doubling, maybe just hopefully thinking. Any input in this will be greatly appreciated.
Looks to me like it hung around submerged in acidic soil for a couple years. It's post-mint damage regardless. For example, I found some coins in my backyard where I have a lot of pine trees when I was doing some digging; had the same look.
It’s probably PMD but is cool looking anyway. Sell it on eBay as a rare Lincoln “hair piece” variety.