Featuring a genuine legal tender BLACK RUTHENIUM EDITION 1964 Brilliant Uncirculated Silver Kennedy Half Dollar with Genuine Silver 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.
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