Up for Sale is. Pure 10oz 99.9% Silver. Struck from 10 ounces of 99.99% pure silver, the Planetary Coin (Cook Islands) measures 75.50mm in diameter. At that size and weight, this means the coin is 8.70mm thick! Minimum Gross Weight (g). Imposing, impressive, and regal, the 2000 year made Cook Island 10oz coin is amazing. Probably my favorite coin ever………. This is the only one on world wide. Will be commercially Packed, Insured and Tracked………….. Enjoy this wonderful once in a chance release by one of the great coins from the Australian Royal Mint at a great price………………….