INSTANTLY AND EASILY DETECT FAKE BILLS - Prevent profit loss with this fast, accurate, effective counterfeit tester. Marker pen detects genuine US currency paper. Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test.

DRI MARK LONG LASTING DURABLE COUNTERFEIT PENS. Precision-fitted parts ensure long shelf life and no-dry-out if recapped. The Dri Mark Counterfeit bill detection pen is the original, USA-made checker. Trust the original. Accept no substitute

SMALLER PEN, 3 TIMES THE INK - Dri Mark's Counterfeit Bill Detector Pen has 3 times the ink and is almost an inch shorter than previous models. Designed for Small to Large businesses such as restaurants, banks, retail stores and entertainment venues.

U.S.A. MADE - Dri Mark is the only US manufacturer and original patent holder of Counterfeit Detector Pens. For over 25 years, the most widely used point of purchase deterrent against loss due to fake money.

Dri Mark has been making counterfeit detection devices for over 30 years. You can trust Dri Mark's counterfeit pens for fast and accurate results in detecting counterfeit money.