Can anyone explain what has happened here? I have a few coins where this is quite pronounced. I usually don't search US coins and haven't seen this before. Some type of doubling?
That is split plating. The plating is cut during the strike exposing the zinc underneath. The gray is the zinc. When it is exposed, then the starts to deteriorate.
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