Collectors and dealers say some old $100 bills are quietly trading for many times their face value, turning an ordinary trip ...

Some features of the $2 bill can make the bill more valuable and rare. Red and brown seals are less common than green seals. Printing errors, such as double prints or ink smudges, can make a bill more ...

Brits are being encouraged to scrutinise any new banknotes they receive, as they could potentially be worth a small fortune.

That crisp Benjamin in your pocket might be hiding a secret. We're living in an age where ordinary people are discovering ...