You won't be able to clean those carbon spots on the reverse. Cleaning coins is not a good idea makes them worth less money. 100% acetone is only thing that's acceptable and it won't touch those carbon spots.
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 - 2025 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