Cook Islands 2012 Year of the Dragon Proof 4 x 1/2 Oz Silver Coin Set. LOW mintage limit, only 5,000!! Certificate of Authenticity+Presentation Case. VERY RARE COIN SET. Heart-shaped Coins with Crystal Iserted. Fascinating four coin set depicting Chinese dragons on the reverse. All four coins are fan-shaped and form a ring, when put together. All four coins are housed in one ring-shaped capsule and presented in a prestigious presentation case. 4 x 1 Dollars. 4x 1/2 Oz 4×15,5 g. 70.00 mm (extern ring). 30.00 mm (intern ring). The item “Cook Islands 2012 4 x 1$ Year of the Dragon Proof 4 x 1/2 Oz Silver Coin Set” is in sale since Friday, December 01, 2017. This item is in the category “Coins\Coins\Pacific\Other Pacific”. The seller is “step9793-au” and is located in New Town, Tasmania. This item can be shipped worldwide.