Printing. US bills have elevated printing, and all lines ought to be sharp. Seek out irregularities in definition among bills as well as traces wavering in thickness, colour or clarity. This guidebook is really a instruction resource for cashiers who have to find out how to authenticate Federal Reserve notes. https://redhotbookmarks.com/story16947192/5-simple-techniques-for-how-to-detect-counterfeit-100-bills