Condition: New Fineness: 0.999 Actual Weight: 1 Troy oz Gross Weight: 31.103 grams Diameter: 39mm This is a stunning round shape. The Aztec calendar is the most famous work of the Aztecs, known for its intricate designs and details. The Aztec stone was 24 tons high, 12 feet in diameter and 3 feet thick. It was hand-carved around 1500 and depicts how the Aztecs described the universe and its origin. Today, it is one of the most prominent symbols of Mexican culture. The Aztec calendar is displayed on the front. The circular design of the Aztec calendar symbolizes the sun, whose rays originate from the outside. At the center of the circle is Tonatiu, who was the Aztec sun god known as the "Sun Stone". In Tonatiuh's claw hands, he holds two human hearts, and a sacrificial stone blade depicts his tongue. Around him is a ring of 20 symbols representing the 20 days of the Aztec month, with four rolling arrows pointing in the direction of each bishop. Reverse: The reverse is a portrait of the last Aztec emperor of Tenochtitlan, Kuotmoke. Cuauhtémoc wears earrings and traditional headgear, worn by many of the Aztec elite of the time.