LIVING PRESIDENTS *Americana* JFK Half Dollar Coin 24K Gold Plated JIMMY CARTER Beautifully colorized LEGAL TENDER 24KT Gold Plated JFK Kennedy Half Dollar U.S. Coin. LIVING PRESIDENTS  AMERICANA Coin Each coin has been layered in Genuine 24 Karat Gold, and then enhanced with a special and unique colorization process by The Merrick Mint Each coin comes in a premium coin capsule. Each coin comes with a Certificate of Authenticity to guarantee that your coin is authentic and recognized by every monetary authority around the world, assuring its Collector Edition status.