Depending on what happened to it. Some quarters may be missing the cupro cladding on one side or the other. They will look copper: Sometimes they dip the quarter to remove the layer/layers: The acid dipped are PMD/PSD. The missing clad are worth a premium. So which you have may be worth some or 25 cents. Depending what the images may tell us.
No copper nickel clad layer on either side? Then most likely it is just an environmentally discolored coin. Probably better than 99% of the time when someone reports an all copper clad coin it turns out to be a discolored 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