Give the perfect gift for the wine lover, the JFK Half Dollar Wine Stopper. The silver tone wine stopper features a genuine JFK First Year of Issue Half Dollar minted in 1964, mint mark will vary. The United States JFK 1964 Half Dollar is composed of .900 silver and designed by Gilroy Roberts and Frank Gasparro. The wine stopper is composed of a base metal alloy and rubber. The top unscrews for cleaning purposes. The wine stopper measures approximately 4 inches in height by 1.3 inches in width and weighs 2 ounces. A Certificate of Authenticity is included.