3-Dimensional JFK Half Dollar. 3-Dimensional JFK Half Dollar. This history-making coin is a genuine Kennedy Half Dollar struck by the U.S. Mint, then re-struck with a custom coin die to form its 3D image. This painstaking process brings exquisite detailed dimension to the famous portrait of John F. Kennedy. It creates a truly spectacular collectible coin with the inscription "Liberty" encircling the coin to frame Kennedy"s lifelike image. Dimensions: 2" L x 2" W x .5" H Weight: 0.125 lbs.