@ro1914, first welcome to CCF. Second, we see coins with these weird bubble areas on them with some frequency. Evidently this can happen if you heat up a clad coin, such as with a torch. Since it is just damage whatever the source, you can safely spend this coin if you want.
"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























