Welcome to the “Counterfeit Money: Banknote Identifiers and Symbols” video lesson designed to teach what each bill’s numbers mean to people who may need to detect fraudulent United States currency. This lesson is the second of four in the “Counterfeit Money” course, which is intended to help teach people how to detect fake currency, and how to respond if they do. After watching this video, learners will be aware of the detail that goes into marking U.S. bills.