Great Barrier Reef 2021 2 Kilo 9999 Silver Antiqued High Relief Coin. High relief antiqued finish Spectacular 2 kilo size Individual edge-numbering. The Perth Mint will release no more than 200 of. We Take Your Satisfaction Very Seriously. Coins should remain in their original holders.Please pay within 7 days. The item "Great Barrier Reef 2021 2 Kilo 9999 Silver Antiqued High Relief $60 Coin 200-mtg" is in sale since Wednesday, May 26, 2021. This item is in the category "Coins & Paper Money\Coins\ World\Australia & Oceania\Australia\Commemorative". The seller is "mygoldhands" and is located in Sugar Land, Texas. This item can be shipped to United States.