Counterfiet Detector Pen w/ Coil Attachment

Smart Money® Counterfeit Detector Pens are a highly effective and inexpensive method of detecting counterfeit bills and deterring counterfeiters. Easy to use and very reliable, simply mark a bill, an amber mark passes the test, a dark brown or black mark means the bill is probably counterfeit. Works on all new design U.S. Currency (bill series 1959 and later). Includes a coil counter attachment.