@zap, first welcome to CCF. Second, yes those two "bubbly" areas are where there was a pinhole in the copper plating and the underlying zinc has now started to corrode. This is not a mint error.
"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





















