Study the right-hand corner of the bill. Works with bills $10 and up.

However mobile phone technology can be useful in consulting key areas of a bill for checking certain leading security details ...

Detection pens are also available for identifying counterfeit bills. When applied to a bill, if the ink changes color or darkens, the bill may not be genuine.

A movie prop fake $100 bill was passed at a local business in London, Ky., and is currently under investigation by the Laurel County Sheriff’s Office.

SALT LAKE CITY (KUTV) — As people are moving away from paying with physical cash, the knowledge of detecting counterfeit bills seems to be fading, and one bank expert is providing tips on how to ...