This handout image provided by the Treasury Department shows the official signature of Treasury Secretary Jacob Lew that will go on the nation's currency which was unveiled Tuesday. The Treasury

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This handout image provided by the Treasury Department shows the official signature of Treasury Secretary Jacob Lew that will go on the nation's currency which was unveiled Tuesday. The Treasury Department unveiled the new signature on Tuesday. It takes the Bureau of Engraving and Printing about 18 weeks to put the new engraving plates into production. That means Lew’s signature will not show up on the various currency denominations until sometime this fall. (AP Photo/Treasury Department) less 

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Associated Press
Wed, Jun 19, 2013 6:54 AM EDT