Episode details
CWR,5 mins
Vicapedia - What are mule coins?
Available for over a year
When the Royal Mint prints a coin and it goes wrong, it's called a mule error. Why is it called a mule error? Phillip Mussell, director of Coin News Magazine, is the man with the answer. If you've got a burning question for the Vicapedia, get in touch! viconair@bbc.co.uk
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