This 1/2 Troy Oz Aztec Calendar Round is a unique addition to any collection. Made of 0.999 fine silver by the Golden State Mint in the United States, this round features the image of Cuauhtémoc, the last Aztec emperor. The round has a shape of a circle and weighs 1/2 oz with a diameter of 39mm. The design of the round features the Aztec Calendar and other intricate details that make it a stunning piece. The round is uncertified, but its authenticity is guaranteed by its brand. It is a great investment for any collector or investor.