Genuine and Authentic U.S. Legal Tender Coin Each Coin is Lavished in Genuine Ruthenium with 24KT GOLD plated highlights Full-Color Certificate of Authenticity is Included with Each Coin Each Coin is Handsomely Showcased in an Acrylic Coin Capsule Here is your chance to own a genuine legal tender BLACK RUTHENIUM EDITION 1976 Bicentennial Eisenhower Dollar. 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.