Most people don't think twice before tossing a quarter into a tip jar or dropping it in a parking meter. It's just ...

The rare Royal Mint 50p coin has sold for more than £200 on eBay, and there are thousands more out there that could be worth a small fortune ...

Check your change for features like double die errors, rare dates, or gold makeup to see if you're sitting on a coin that ...

The rare Royal Mint 50p coin has sold for more than £200 on eBay, and there are thousands more out there that could be worth a small fortune ...

A 50p coin sold for more than 400 times its face value at auction, with thousands still believed to be in circulation. The sought-after “Blue Peter” 50p, created to mark the London 2012 Olympic Games, ...

Collectors' love for specific years and digits on bills and the surge in metals prices means these coins and dollars may be worth more than their face value. Here's what to look for.

Discover how Gresham's Law explains the dynamics between undervalued and overvalued currency, its effects on currency markets ...