A Beautiful Cook Islands’Still Trapped’ Fine Silver Coin. This 2020 Antique Finished Coin is the second coin in the series, it is made of. 999 fine silver, it weighs 1 ounce, and it has never been taken out of the protective plastic container except to take photos. Box & coin are. In excellent condition, the COA is crisp. Please use the photos to judge the quality, as this is the exact Still Trapped Silver Coin you will be receiving. You never know what you may find!