Credit Card Supplies Counterfeit Money Detector Pens - 3 pack - Additional InformationCounterfeit Money Detector Pens make a dark brown or black mark on counterfeit bills. The Dri Mark Counterfeit Money Detector Pens work on all US currency issued after 1957. Counterfeit Money Detector Pens leave amber or yellowish mark if the bill is valid. Each pen tests thousands of bills. Make sure to cap all your Counterfeit Money Detector Pens after placing mark on money to keep moist. Using Counterfeit Money Detector Pens is a very inexpensive and efficient to deter passing counterfeit. Available in packs of 3 or packs of 15. |