Highly effective and inexpensive tool for detecting bad bills. Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. Works on all new design U.S. currency bills series 1959 and later.

Highly effective and inexpensive tool for detecting bad bills. Simply make a small mark on currency. Chemically sensitive ink works instantly. Works on all new design currency bills series 1959 and later.

These bank-grade fake bill checker pens utilize advanced chemical detection to expose counterfeit currency in seconds. Simply swipe the money marker pen across any bill’s surface – authentic US/global currency will leave a light amber mark, while fake money pen tests reveal distinctive dark stains due to starch content.