The Dri Mark Counterfeit Detector Pen is your best first defense against loss due to counterfeit. An essential for any retail business accepting cash. Simply uncap the pen and make a small mark on US currency. If the mark turns dark brown or black, the currency is suspect. If the mark remains light yellow, the bill passes the test.
- Simply make a small mark on U.S. currency.
- Chemically sensitive ink works instantly.
- 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).
- Simply make a small mark on U.S. currency.
- Chemically sensitive ink works instantly.
- 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).