U.S. Counterfeit Money Detector Pen

Dri Mark U.S. Counterfeit Money Detector Pen - Ultraviolet - Black

Counterfeit Money Detector Pen is ideal for use in busy retail environments. This quick, inexpensive currency-screening device can be used in conjunction with other counterfeit detection methods. Mark a small line on U.S. currency. When mark is amber, the bill is genuine. If mark is black or dark brown, the bill is suspect.