S is for San Francisco. There were three S mint Bicentennials minted- an uncirculated finish in the three coin Bicentennial Set(40% silver), a CuNi clad coin in the regular six coin Proof Set, and a 40% silver coin in the three coin Bicentennial Proof Set. You will be able to see copper on the edge of a CuNi clad coin.
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