This is an expanded shell coin for the new 500 yen coin. It fits regular 500 yen coins and shim shells. It's a versatile gimmick, allowing for various magic tricks. The photos show the front and back, but the product is for one coin. This is a rare gimmick. Please check the photos carefully. ※ This is a magic trick prop and cannot be used as currency. Please never use it as money. We are not responsible for any issues arising from its misuse.