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 ...

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, another ...