Crack open your coin jars because you could be sitting on an absolute goldmine! A rare Australian one dollar coin, known as a ‘mule’, is being sold at auction for more than $4,000. A mix up at a mint ...

Rare coins could be hiding in your change. Learn how collectible coins, mint errors and rarity can boost value and what to ...

Here's a look at four lesser-known coins that are worth thousands of dollars.

An easy-to-miss ‘significant’ error by the Royal Australian Mint has resulted in a batch of $1 coins skyrocketing in value.