A mule coin, in numismatics, is a coin or medal that features designs on the obverse (front) and reverse (back) sides that were not intended to be paired together during the minting process.
Here’s a breakdown of what makes a mule coin special:
- Accidental pairings: Mule coins arise from minting errors, specifically when incorrect dies are paired together and used to strike a coin. This can happen with the obverse and reverse dies, or even sometimes with the collar die.
- Mismatched designs: The result is a coin with a design on one side (e.g., the front) that is normally found on a different type or series of coin than the design on the other side (e.g., the back).
- Rarity and Value: Mule coins are considered rare and are highly sought after by collectors, as they represent a unique and intriguing error. The rarity and the circumstances surrounding their creation contribute to their value.
- Name Origin: The term “mule” is inspired by the hybrid animal, the offspring of a horse and a donkey, symbolizing the combination of two different elements in the coin.
- Examples: Notable mule coin examples include the 2000 Australian “mule” dollar coin (with Queen Elizabeth II’s head and the Mob of Roos design) and the 2000 Sacagawea Dollar – Washington Quarter mule (featuring the obverse of a Washington quarter and the reverse of a Sacagawea dollar). The 2014 Britannia-Lunar Horse Mule from the British Royal Mint is another example where the obverse designs for the two coins were accidentally swapped.
In short, a mule coin is a fascinating type of error coin where the designs on the two sides don’t belong together, making it a prized possession for many collectors.








What are mule coins worth?
Thanks for asking. Due to the rarity, these can sell for tens of thousands of dollars. The combination of error, rarity, and historical significance make mule coins valuable not just monetarily, but also as unique pieces of art and storytelling within the world of coin collecting.
What is a mule in coins?
I can help with that. In numismatics, a mule is a coin or medal minted with obverse and reverse designs not normally seen on the same piece. These can be intentional or produced by error. This type of error is highly sought after by collectors, and examples can fetch high prices.
How much is a $1 mule coin worth?
Nemtsas said the four-figure sum for the 2000 $1 mule is usually reserved for those in immaculate condition. Circulated versions of this coin can fetch $200-$300.
How do I identify a $1 mule coin?
Also known as the obverse. Of a 10-cent coin as As a result you have a distinct double rim on the coin. And it is a very very popular item.