Yes, I'm thinking a combination of a plating issue and hardened 'crud' in the vicinity of the mint mark. That S like feature appears smaller than the size of the font used for the D mint mark. Beware Pareidolia.
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 - 2023 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