10 oz Aztec Calendar 999 Fine Silver Bar Year: N/A Condition: Bullion | Mint Fresh Mintage: N/A Country: United States Metal Content: 10 troy oz Purity: 999 Fine Silver Thickness: 8.52 mm This stunning .999 Silver bar features a beautiful design of the Aztec calendar sun stone in spectacular detail. The Aztec calendar, also known as the sun stone or the Stone of the Five Eras, is a stunning circular stone structure built by the ancient Aztec civilisation. The calendar includes mythological motifs that illustrate the Aztec knowledge of time cycles. This bar series elegantly renders this pattern in.999 Precious Metal content, making it a must-have for any stacker's collection!