The copper medal is an interesting option for precious metals investors and enthusiasts alike.

Investment medals are products in the United States that are as popular as bullion coins. An example of such a medal is the Aztec Calendar Copper Round, modeled after the Aztec calendar. It is inspired by the culture of the Aztecs, the Indians who inhabited Central America. The Aztec Calendar, called the Sun Stone, is most likely an ancient calendar or something that was used for ritual purposes in ancient times.

The obverse of the copper medal shows a reproduction of the Aztec Calendar, made with the smallest details. The reverse, compared to the silver version of the medal, has been changed. It originally depicted the likeness of Cuahtemoc, the last Aztec ruler. In the case of the copper medal, the reverse features an image of an Aztec pyramid. Immediately following it are the weight and alloy designation.