'Smart' $100 bills prepare for late release after paper-feed glitch: Images Summary: An error with money printing press paper feeds in 2010 cost the government millions of dollars and delayed the debut of $100 bills that contain many innovative, new security features. By Andy Smith | April 26, 2013 -- 17:48 GMT (10:48 PDT) Previous | Next Image 9 of 12 (Image: Moneyfactory.gov) Rear backlight Here's the back of a bill through a backlight. Notice the faint images of Franklin. Topics: Government, Printers Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.