2019 Starfish World of fossils 1 oz silver coin. STARFISH – WORLD OF FOSSILS – 2019 2 oz Pure Silver High Relief Coin – Mint of Poland – Niue. The fist coin of the exclusive series “World of Fossils”. This issue features the Starfish in a 3.7 mm high relief. The 2 oz Pure silver coin is fully plated in Ruthenium and selectively plated in 24K gold. Superior craftsmanship and a very low mintage give grounds for an increase in the value of the coin. Each coin is packed in a beautiful wood case with a colorful graphic dust jacket and has a certificate of authenticity from the Mint of Poland. High Relief (3.7 mm). Wood box and Sleeve. Beautiful Design and plated in Ruthenium and gold. Credit / debit card.