An Australian coin collector has urged people to keep an eye out for a gold $1 coin that has an error making it worth as much ...

This is called a rotation error, they're quite uncommon." Last year, The Sun highlighted a case where one of these coins fetched £40 - a whopping 80 times its face value of 50p. And in 2021 ...

They stated on their website: "Die rotation errors are very rare for pre 2008 coins, but are known to exist for many modern coins. The more severe the rotation, the more desirable the resultant coin." ...