It's happened more than once that people thought $2 bills were fake; here's a recent example: https://www.nbcdfw.com/news/local/houston-school-confuses-2-bill-a

It's happened more than once that people thought $2 bills were fake; here's a recent example: https://www.nbcdfw.com/news/local/houston-school-confuses-2-bill-as-fake-calls-police-on-student/131981/ https://www.nbcdfw.com/news/local/houston-school-confuses-2-... I had someone pocket a Susan B. Anthony $1 coin and put their own money in the register to replace it, but that was because it was a rare coin, not because they thought it was fake.