How Counterfeiting Works

Counterfeiting has become easier with the availability of quality scanners and printers. But the U.S. Treasury has fought back by adding several hard-to-copy features to the bank notes. How can you spot a fake?

How Does a Counterfeit Detector Pen Work?

US 50 dollar bill Series 1996 - Counterfeit money detection, 50$ usd

How to clean paper money - Quora

How Does a Counterfeit Detector Pen Work?

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Economics, HowStuffWorks

Counterfeit, PDF, Counterfeit

How to clean paper money - Quora

How the U.S. Secret Service Works

5 Successful Counterfeiters