Here is your chance to own a Black Ruthenium Skull Medallion. The .999 pure copper round accompanying this certificate of authenticity is entirely clad in BLACK RUTHENIUM with 24KT Gold Clad Highlights, by The Merrick Mint. The obverse features the Indian Skull design. The reverse includes the Heraldic Snakes of America. The coin is coated with Black Ruthenium, which is a type of platinum metal that looks like a dark platinum, but is 100 times Rarer. Ruthenium is a chemical element with the symbol RU & Atomic # 44. It is a rare transition metal belonging to the platinum group of the periodic table. This Certificate of Authenticity guarantees that your coin is authentic, thereby assuring its Collector Edition Status.