I've had this theory that the upset process loosens the laminations during that process. (if there was an issue with the stock material) Then after the strike (sometimes before the strike) it falls off or peels off a little at a time.
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