bill and the United States twenty-dollar bill. He produced over 7 million dollars in counterfeit US currency using a standard inkjet printer, and was convicted and sent to prison in May 2009. Samuel C. Upham, the first known counterfeiter of Confederate money during the American Civil War. His activities began or became known in early July 1862. Arthur Williams, imprisoned in 2007 for counterfeiting the United States one hundred-dollar bill. See also Promotional United States fake currency References External links The Economics of Counterfeiting By Elena Quercioli and Lones Smith, Econometrica, May 2015 Counterfeit Money. By Elena Quercioli and Lones Smith, Encyclopedia of Law and Economics, Edited by Juergen Backaus, Springer New York, 2014 Article by the Christian Science Monitor: "Made in South America: new breed of fake US dollars" Thu Apr 14, 4:00 AM ET "The Use and Counterfeiting of United States Currency Abroad" United States Department of Treasury Estimating the Volume of Counterfeit U.S. Currency in Circulation Worldwide: Data and Extrapolation. By Ruth Judson and Richard Porter, 1 March 2010. Currencies of the United States Counterfeit money Money forgery