DRI351TRI - Dri Mark Tri-Test Counterfeit Detector

Dri-Mark 351TRI Tri Test Counterfeit Bill Detector, UV with Pen, 7 x 4 x 2 1/2

HVM Money Marker (5 Counterfeit Pens) - Counterfeit Bill Detector Pen with Upgraded Chisel Tip - Detect Fake Counterfit Bills, Universal False Currency Pen Detector Pack

Dri Mark 3513B-1A Counterfeit Bill Detector Marker Pen with Permanent Marker, Made in The USA, Fake Money Checker - Money Loss Prevention Tester & Fraud Protection for U.S. Currency (2 Pack)