[Industry] Three tricks to help you identify counterfeit bills: "HD90" can fool bill validators - Women are like flowers

Three tricks to help you identify counterfeit money: "HD90" can fool bill validators. Recently, the phenomenon of counterfeit hundred-yuan notes has once again drawn people's attention and quickly sparked an anti-counterfeiting "storm" on the Internet. The culprit behind this wave is a fake hundred-yuan note with the serial number starting with "HD90". (Full view of HD90 counterfeit note) Steps to identify HD counterfeit notes: 1. The "100" characters on the front of the note are double...