Should you’re during the U.S., all real bills could have a watermark of the person whose portrait is over the bill. They’ll also have a stability thread embedded from the paper that glows beneath ultraviolet gentle. Bills $five and higher have microprinting which can be seen via a magnifying glass. https://donovanymtih.creacionblog.com/33736384/the-fact-about-copyright-100-dollar-bills-that-no-one-is-suggesting