Collectible coins and medals vary in purpose, design, and composition, often appealing to enthusiasts and investors alike. In the United States, collectible coins can include commemorative issues, bullion, and coin series with historical significance. The Silver Presidential Medals of 2021 honor U.S. Presidents and are struck in silver, showcasing intricate designs that reflect their legacy. These medals serve not only as collectibles but also as a means of preserving American history and culture.