Buy Coin Charm in Jewellery Making Charms & Pendants and get the best deals at the lowest prices on eBay! Great Savings & Free. If you have a lot of foreign coins laying around from past trips, upcycle them into a fun DIY charm bracelet! Keep reading for the how-to. Shop a treasure chest of genuine old coins plus sturdy coin charms and larger pendants including lead-free and nickel-free options. These charms offer.