New $10 bill rolls out Thursday
Currency with shades of orange, yellow and red in background is latest effort to fight counterfeiting.

NEW YORK (CNNMoney.com) - The new $10 bill starts to circulate Thursday, as the third more colorful bill designed to thwart counterfeiters is rolled out.

The new bill has color-shifted ink that changes the color of the numeral "10" in the lower right-hand corner from copper to green as the bill is tilted, and has a subtle background in shades of orange, yellow and red.

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Alexander Hamilton's image adorns the new $10 bill

One of the most noticeable design changes is the portrait of Alexander Hamilton, the nation's first treasury secretary. While Hamilton's likeness is the same, it is no longer surrounded by an oval as on the old bill.

As is always the case with new currency introductions, the old cash can still be used. But the U.S. Bureau of Engraving and Printing is rolling out the new currency in order to make counterfeiting more difficult.

"The intention was not to create a counterfeit-proof note -- which is basically impossible -- but one that's harder to duplicate and easier to authenticate," said Eric Zahren, spokesman for the Secret Service, when the new design was unveiled in September. The Secret Service is in charge of combating counterfeiting.

"The new designs have definitely improved upon our efforts in detection and enforcement," he said. "Ten years ago, one percent of (counterfeit) bills were produced on digital equipment. These days, 56 percent are produced on digital equipment, and the technology is more accessible to the general population."

The new series began with the introduction of the $20 bill on October 9, 2003, and continued with the $50 bill issued on September 28, 2004.

The government currently has no plans to redesign the $5, $2 or $1 bills.

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Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer.

Morningstar: © 2014 Morningstar, Inc. All Rights Reserved.

Factset: FactSet Research Systems Inc. 2014. All rights reserved.

Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved.

Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor’s Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2014 and/or its affiliates.