Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. Amber mark passes the test, while a dark brown or black mark means the bill is suspect....
Ultraviolet penlight reveals UV-sensitive security markings on 1996 series or newer U.S. currency of greater than $1 denomination. Simply mark a line on a bill; if the mark turns dark,...
Simply make a small mark on U.S. currency. Chemically sensitive ink works instantly. Amber mark passes the test, while a dark brown or black mark means the bill is suspect....
Three tests provide superior counterfeit bill detection. Detects washed or bleached bills. Ultraviolet LEDs detect security markings. White LED backlight detects watermark portrait. Detects UV markings on driver's licenses, credit...
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