Powerful yet compact ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency of greater than $1 denomination. Counterfeit detector pen detects bad bills by …
Mark a line on bill. 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: …