Dri-Mark Smart Money Counterfeit Bill Detector Pen for Use w/U.S. Currency, Dozen

Counterfeit Money Detector Pens are 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.

• Pen style for extreme portability
• Chemically sensitive ink works instantly
• Works on all new design U.S. currency (bills series 1959 and later)
• Highly effective tool for detecting bad bills and deterring counterfeiters from passing phony currency
• An amber mark passes the test, while a dark brown or black mark means the bill is probably counterfeit