TRILOBITE Evolution of Life Ordovician Period Silver Coin 500 Togrog Mongolia 2016 - This beautiful 1 Oz Silver 999 coin is the second issue in the amazing "Evolution of Life" series. The evolution of life is celebrated with this series featuring a trilobite which is based on a real, 470-million-year-old fossil found near St. Petersburg, Russia. The trilobite is minted in impressive relief with a brilliant red-gold finish. Limited mintage to 999 pcs worldwide. The reverse of the coin depicts a Trilobite fossil in sensational high-relief. The coin is also selectively Red Gold plated. On the bottom of the coin, the inscription: "Trilobita"- the name of the coin and of the fossil. In the right side, the inscription: "Ordovician Period", on the bottom: "Evolution of Life" - the name of the series and "2016" - the issue year. On the obverse the Coat of Arms of Mongolia, the weight and the fineness of Silver: "1 Oz 999 Silver", the face value: "500 Togrog" and some symbols of life.