Here is your chance to own a original coin from the 1930's....a random full dated 1930's Black RUTHENIUM Original Indian Head Buffalo Nickel *FULL DATES* with 24KT Gold Clad Highlights on the Obverse & Reverse. 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. Here is your chance to own a original coin from the 1930's....a random full dated 1930's Black RUTHENIUM Original Indian Head Buffalo Nickel *FULL DATES* with 24KT Gold Clad Highlights on the Obverse & Reverse. 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.