One difficulty with dollars is the fact that simply because all of the denominations are printed on a similar measurement notes, counterfeiters bleach very low value notes and reprint them as high worth bills. So that they take a $1 bill, bleach it, then reprint it as a $100 bill. https://cornstalks371kuf6.jts-blog.com/34469031/5-essential-elements-for-fake-us-dollar-bills