Cook Islands 2014 $10 Nano Sea The Depths of the Sea 50 g Silver Proof Coin

Cook Islands 2014 $10 Nano Sea The Depths of the Sea 50 g Silver Proof Coin50 g (1.61oz). The latest coin in the Nano series is the Nano Sea. For the first time, the Nano Chip is provided with a colour gradient which impressively presents the depths of the sea. Almost three-quarters of our planet is covered by water. 90 percent of the expanse of water is spread out amongst the three large oceans the Pacific Ocean, the Atlantic Ocean and the Indian Ocean. Additionally, there are a number of semi-enclosed seas. Depending on where they are located, one speaks