Collectible coins and medals are items of numismatic interest, often sought after by collectors for their historical significance, artistic design, or precious metal content. In the United States, commemorative medals, such as the Silver Presidential Medals, are produced to honor notable figures and events. The 2018 Silver Presidential Medals series features designs recognizing U.S. presidents, reflecting their contributions to American history. These medals are typically made of .999 fine silver and are often released in limited quantities, enhancing their collectible value.