@jvc, first welcome to CCF. Second, I agree with @keith that your dime has been damaged by high heat. That bubbling and distortion on both faces isn't Cuds, but rather damage. It is an interesting coin to look at, but just doesn't have any mint errors.
"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