@cads, it looks to me like the copper plating has peeled off of the mintmark, exposing the zinc core underneath. As you know, this metal is much more reactive with the environment and will corrode pretty quickly. I don't think that this is an error at all.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz























