The product is a 1964 Japan 100 Yen coin made of silver, with a fineness of 0.6. This coin belongs to the World Silver Coin series and is circulated, meaning it has been used. It is a valuable piece for collectors interested in Asian coins, specifically from Japan during the Showa era. The coin is uncertified, adding to its authenticity and allure for those looking to add a unique piece to their collection.