When that coin crossed the auction block, it realized $15,862.50, a figure that has since become shorthand among collectors for how extreme mint errors can rewrite the value of a modern quarter. The ...

This special £1 coin was once known as the "rarest in UK change" but one collector has issued a warning over the design which ...

CHECK your change, dig down the back of the sofa and smash open the piggy bank – you could be sitting on a goldmine. We all have loose change rattling around in our pockets, but some of ...

People are being encouraged to examine their £1 coins for a tiny manufacturing flaw that could potentially increase their ...