Rare coins and bills that haven't been released to the public are often worth a lot of money thanks to an error or specific ...

The 50p, issued by the Royal Mint in 2009, is believed by many collectors to be so rare today as it had low mintage of just ...

There are 161 currencies in use around the world but just 6 of them dominate the foreign currency exchange market. Here's why ...

When you reach retirement age -- as most baby boomers have -- it's tempting to start cashing in your investments and putting ...