Reveal what happened and why you’re suspicious. The law enforcement will likely have a copyright detection pen they can use to mark the bill. If your mark turns darkish, it’s probably that the bill is fake. Bills $5 and higher have microprinting which can be seen through a magnifying glass. https://johnathanoccnw.creacionblog.com/35187852/the-basic-principles-of-high-quality-copyright-money