Initial introductory price (for limited qty) ends when the limited set qty is reached. Price always changed based on the metal market. 9999 Pure Silver Antiqued Coin with. 99.99% pure silver. Features a 24-carat gold-plated. Limited mintage – 2,500. Numbered Certificate of Authenticity. Extremely Low Limited Mintage. The Perth Mint will release no more than 2,500 of the. 9999 Pure Silver Antiqued Coin. Silver Content (Troy oz). Minimum Gross Weight (g). We Take Your Satisfaction Very Seriously. Coins should remain in their original holders. Buyers outside US can.