One problem with dollars is for the reason that many of the denominations are printed on the identical size notes, counterfeiters bleach very low value notes and reprint them as high value bills. So they have a $1 bill, bleach it, then reprint it as being a $one hundred bill. https://3-cmc-crystal00078.livebloggs.com/41842195/the-ultimate-guide-to-fake-us-dollar-bills