Reminds me of what they sometimes do to Mardi Gras doubloons...I used to have one like the upper left.
Meh, it's a Lincoln. There are hundreds of millions more where that one came from. If they'd done that to one of the aluminum Lincolns, or something like a Stella, then I'd be riled up.
merrickmint.com uses Black Ruthenium on everything ... it's usually the website I link when someone posts with a plated coin and wonder's who would do such a thing .... https://www.merrickmint.com/black-ruthenium-coins.html?limit=64
you would think we would have. Black Ruthenium has been a topic here since 2015. FirstCoinCompany.com also sells black ruthenium plated coins.
...underneath the velvet painting of Jesus kicking a field goal..."Drop-kick me Jesus through the goal-posts of life..."