This bubbling on the coin is not from a rusted die. It is quite common on Zinc Lincolns, and I believe it is from the copper plating not adhering properly to the zinc core. -Paul
<< <i>This bubbling on the coin is not from a rusted die. It is quite common on Zinc Lincolns, and I believe it is from the copper plating not adhering properly to the zinc core. -Paul >> Thank you for that!! Very good information! I can use that!!