Generally counterfeiters will strip the ink from a $1 bill and print a $20 or $50 on it. This way it feels like real money. It is easily detectable if you hold

Generally counterfeiters will strip the ink from a $1 bill and print a $20 or $50 on it. This way it feels like real money. It is easily detectable if you hold it up to the light, but a cashier might not notice it right away.