There’s a lot that can be done with gold. It can be inlaid into picture frames, crafted into jewelry, or pressed into coins. When these rare gold coins are designed, they’re not always just used as currency and forgotten about. Certain designs have proven to be highly popular due to their rarity and because of their artistic excellence.

Maybe you have some of these, or maybe you want to keep an eye out for them. Read on for the 5 most popular gold bullion coins, based upon sales.

1. The gold American Eagle is an iconic coin. It was designed by Augustus Saint-Gaudens, and the face depicts a Lady Liberty holding a torch in one hand, and a peaceful olive branch in the other. The reverse side portrays a nest with a pair of bald eagles and their hatchlings.

2. James Earle Fraser learned a lot as the student of Saint-Gardens. He took that knowledge and, at the behest of the U.S. Mint, created the gold American Buffalo. The design was also used as a nickel released in 1913. The design shows a mighty buffalo, while the reverse side is the bust of a First Nations man.

3. The Royal Canadian Mint has established a reputation for producing coins of exceptional quality. Possibly the apex of their coins is the gold Canadian Maple Leaf, which shows the intricate design of Canada’s national symbol. The reverse side is a portrait of the monarch Queen Elizabeth II.

4. For many people, when they think of a symbol of wealth, their minds immediately go to the krugerrand. Named for Paul Kruger, the first President of the South African Republic, the gold South African Krugerrand has a portrait of Kruger. The reverse side is a leaping Springbok Antelope.

5. The gold Austrian Philharmonic was minted initially in 1989 as a proud tribute to Austria’s legendary Vienna Philharmonic Orchestra. The front side displays the Musikverein, which is the orchestra’s organ. The reverse side is a variety of musical instruments such as a cello, harp, and French horn.