@YM, the copper plating has a hole in it which has exposed the underlying zinc core. That zinc is reacting with the atmosphere to cause bubbling of the metal around the mintmark. This coin can be safely spent as this is just damage--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
great thanks! to all for the amazing timely responses great support here... I hope to show some good ones soon. I will try to understand this damage better...
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Coin Community assumes no liability for errors. Copyright 2005 - 2026 Coin Community Family- all rights reserved worldwide. Use of any images or content on this website without prior written permission of Coin Community or the original lender is strictly prohibited. Contact Us | Advertise Here | Privacy Policy / Terms of Use