Add to Cart Quick view Dri-Mark V403166 Counterfeit Detector Pen - 1 Pkg MSRP: Now: $3.60 Was: Add to Cart Counterfeit Detector Pen - 1 PkgSpecial patented formula detects bad bills. Effective on all U.S. currency.Disclaimer: The information provided here at TheOnlineDrugStore is strictly to be used for... MSRP: Now: $3.60 Was: Add to Cart Quick view