To use, simply mark a small line on US currency. If the mark is amber (light brown or yellow),the bill is genuine. If the mark is dark (brown or black),the bill is suspect. Use in conjunction with other counterfeit detection methods.
To use, simply mark a small line on US currency. If the mark is amber (light brown or yellow),the bill is genuine. If the mark is dark (brown or black),the bill is suspect. Use in conjunction with other counterfeit detection methods.
