Dri-Mark 351UV6 0.8 in. x 0.8 in. x 6 in. U.S. Currency Counterfeit Detector - Black/Green (6/Pack)

Powerful yet compact ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency denominations greater than $1. Counterfeit detector pen uses a chemically sensitive ink to detect bad bills by marking a line on the bill; if the mark turns dark, the bill is suspect. UV light also works on many foreign currencies, major credit cards, passports, traveler's checks and more.

Ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency of greater than $1 denomination. Simply mark a line on a bill; if the mark turns dark, the bill is suspect UV light also works on many foreign currencies, major credit cards, passports, traveler's checks and more