And here I thought I found something good. The same color of the coin made me think it was made like that. If it was sanded down and cooper penny down close. I thought it would lose its color. =( Here is another example of another coin I thought that was an error coin but it might be rot/pmd
Ask yourself, how can these occur during the minting process? You've been here a while and been given a number of links that explain the minting and die making process. Take some time out of your searching to learn something about the processes. You'll end up wasting a lot less time and maybe will find something besides PMD