2011 Canada May Birthstone Emerald Swarovski Crystal $3 1/4 Oz Silver Ngc Pr69 January 7, 2024 admin Gorgeous NGC graded Swarovski Crystal 1/4 Oz. We have tons of graded NGC & PCGS, ANACS. Gold & Silver coins and bullion for sale! Custom Wallets, Comic Books & Manga and much more!