Dri-Mark Smart Money Counterfeit Bill Detector Pen for Use w/U.S. Currency, 3/Pack

Dri-Mark Smart Money Counterfeit Bill Detector Pen for Use w/U.S. Currency, 3/Pack Highly effective and inexpensive tool for detecting bad bills. Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. An amber mark passes the test, while a dark brown or black mark fills, meaning the bill is likely counterfeit. Works on all new design U.S. currency (bills series 1959 and later). Counterfeit Bill Detector Type: Pen; Marking Color: Amber; Counterfeit Indication Mark: Black; Dark Brown; Currency: U.S.