This 2015 Cook Islands silver proof coin features the innovative Evolution Nano Chip technology, making it a unique addition to any collection. Certified by CIT Mint, this ungraded coin has a fineness of 0.925 and features a striking proof strike type. The composition of the coin is silver and it comes with a certification number that varies. This coin is a product of Evolution Nano Chip and is an excellent investment opportunity for silver bullion collectors. Thank you for shopping with us and hope you enjoy what we have to offer. We are a small family-owned business and would love to earn your business. We are direct to Mint with most companies and try and bring everyone the most current collectibes and the harder to find pieces you just do not see every day. We strive to be the best at everything we do and what we have to offer. Check out our store and please enjoy your shopping with us and if you have any questions, please feel free to message us and we will respond quickly. All items are Live on hand and we DO NOT offer any Pre-Sales. Most pictures are Stock Photo Pictures and you will receive the same item as described. We cannot guarantee any COA numbers because we offer multiples of some items.