How Paper Money Is Made

The production of modern U.S. paper money is a complex procedure involving highly trained and skilled craftspeople, specialized equipment, and a combination of time-honored printing techniques merged with sophisticated, cutting edge technology. Recent new designs for denominations of $5-$100 use similar portraits and historical images to previous notes, but include subtle background colors to make the bills more difficult to counterfeit... https://www.littletoncoin.com/webapp/wcs/stores/servlet/Display%7C10001%7C29555%7C-1%7C%7CLearnNav%7CHow-Paper-Money-is-Made.html