Alan Greenspan was the 13th Chairman of the Federal Reserve which made him the head of the central banking system of the United States. Here is your opportunity to own or to gift, a beautifully colorized JFK Kennedy Half Dollar U.S. Coin. This Legal Tender United States coin has been colorized with an application of special inks directly to the surface of the coin, using a unique and painstakingly multicolor coin process, which achieves a level of detail, color saturation, and durability that is #1 in the coin industry. The result is an everlasting colorized coin collectible of ultra-high quality. Each coin comes in a premium coin capsule with a full color Certificate of Authenticity. The Kennedy half dollar is a U.S. fifty cent coin with coin year and mint marks chosen at random.