Part of 7 coins in this completed series only 999 minted! This amazing coin is the last one of the Underwater World series and features one of the most mysterious animals in the sea. This coin with a mintage of 999 coins has a marine-blue enamel that creates a stunning 3D-effect. Contains 3 oz of. Coin comes in a case and with a certificate of authenticity. Limited mintage of 999 coins. Obverse: Displays some underwater life and the Barbados coat of arms. Reverse: Features an octopus emerging out of the blue enamel. The name of the coin and year of issue is also on the reverse. 3 OZ ENAMEL PLATING. 2020: THE BLUE WHALE. 2018: GREAT WHITE SHARK. Depicting mysterious animals of the underwater world surfaces from ocean blue enamel. Spectacular combination of ultra-high relief, incuse striking and translucent enamel!