The detail on this 1 oz silver round of the Aztec calendar is spectacular and is a sight to behold in the palm of your hand. The .999 1 oz silver coin features a representation of the Aztec Calendar Stone, a real calendar carved massive block of basalt stone in the early 16th century for the tracking of days, months and years as well as being a tribute to their sun god, Tonatuih. The other side of the silver bullion coin features the Cuauhtemoc, the last known Aztec Emperor. Enjoy this amazingly detailed silver bullion as part of your silver portfolio. Contains 1 oz of .999 fine Silver.