50 x 85 mm. In 2015 a new coin of the successful Silver Luxury Line is issued. In the center of the coin you see a very big Swarovski® crystal in the shape of a shell. The color of this beautiful crystal is turquoise. The white light inside the box shines directly on the Swarovski® crystal as usual. This year it is the first time that the coin will be secured in a capsule. Real Swarovski crystal inserted. 999 silver minted in proof quality. Comes with capsule, certificate of authenticity and the prestigious, illuminated display case. We strive for excellent service. Though we normally reply to inquiries as soon as possible, please note that our office is limited on weekends and holidays. Track Page Views With. Auctiva’s FREE Counter. The item “Cook Islands 2015 $20 Silver Luxury Line Swarovski Shell 100g Silver Proof Coin” is in sale since Tuesday, March 10, 2015. This item is in the category “Coins & Paper Money\Coins\ World\Australia & Oceania\South Pacific”. The seller is “jvpic” and is located in Berlin. This item can be shipped worldwide.