Highly effective and inexpensive tool for detecting bad bills. Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. An amber mark passes the test, while a dark brown or black mark means the bill is probably counterfeit. Works on all new design U.S. currency (bills series 1959 and later). Counterfeit Bill Detector Type: Pen; Marking Color: Amber; Counterfeit Indication Mark: Black; Dark Brown; Currency: U.S.
Dri-mark 351r-1 Smart Money Counterfeit Bill Detector Pen For Use W/u.s. Currency, Dozen available on April 06 2017 from NeweggBusiness for itemprop="offers" target="_external" title="" itemscope itemtype="http://schema.org/Offer">50.0
Dri-Mark 351R-1 Smart Money Counterfeit Bill Detector Pen for Use w/U.S. Currency, Dozen available on June 07 2016 from Newegg for 25.99
UPC bar code 070889035165 ξ1 registered September 17 2014
UPC bar code 070889035165 ξ2 registered February 20 2017
UPC bar code 070889035165 ξ3 registered June 07 2016
If amber mark turns black or dark brown, the bill is suspect. Counterfeit Bill Detector Type: Pen; Marking Color: Amber; Counterfeit Indication Mark: Black, Dark Brown; Currency: U.S..