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About 10 years ago the Bureau of Engraving and Printing began upgrading American currency, adding new designs and security features, one denomination at a time. The most recent upgrade, the $100 bill, was released in February 2011.
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About 10 years ago the Bureau of Engraving and Printing began upgrading American currency, adding new designs and security features, one denomination at a time. The most recent upgrade, the $100 bill, was released in February 2011.
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