- Immaculata, Pennsylvania, United States
- Nov 19th
Sharpie Counterfeit Detector Marker, 3-Count Product Features Specially formulated money pens to detect bad bills; reacts to the presence of a key ingredient present in papers that are not used by the US Treasury. Effective on all US currency including new design bills. The ink marked on a suspect, counterfeit bill will change in color from golden brown to blue-black.