Dri Mark Dual Test 351UVCL - The Original Counterfeit Detection Marker Pen with UV LED Cap, Tests for Security Strips and Authentic Currency Paper - 1 UV Light/Pen Combo Plus 1 Holder with Coil
Amber mark passes the test, while a dark brown or black mark means the bill is suspect.
Works on all new design U.S. currency (1959 and later).
Details: 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 fails, meaning the bill is likely counterfeit. Works on all new design U.S. currency (bills series 1959 and later).
