How To Spot A Counterfeit Bill - Tien Nguyen
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View full lesson: http://ed.ted.com/lessons/how-to-spot-a-counterfeit-bill-tien-nguyen Authentic dollar bills are equipped with many security features to make them difficult to forge. But...
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addison
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i didnt realy like it but its ok i guess
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Mayafd9
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This video was really cool!
