SHARPIE 1778882 Counterfeit Detector Marker with Coil

Sharpie 1778882 Counterfeit Detector Marker with Coil. Specially formulated 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. Contains 1 detecting pen with a detachable coil. 0.65 inches long by 3.25 inches wide by 7.625 inches high. 0.088 pounds. Imported.