If you’re within the U.S., all real bills will have a watermark of the person whose portrait is within the bill. They’ll even have a protection thread embedded inside the paper that glows underneath ultraviolet gentle. Bills $5 and higher have microprinting which can be witnessed via a magnifying glass. https://escrow-services-inc43958.affiliatblogger.com/85582523/little-known-facts-about-copyright-100-dollar-bills