If you look at the reverse, you'll spot a seam around the rim. These are known as Shell Cards. Two discs of brass, one marginally larger than the other, folded over a cardboard disc for rigidity and then crimped together. Mostly used for advertising and Cartaux were the industry leaders.
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