US Notes

Color Shifting Ink and Security Features: The Visual Evolution of US Notes 1990–2013

From the first magnetic ink strips of 1990 to the dramatic color-shifting bells and inkwells of the 2009 redesigns, US currency underwent its most radical visual transformation in over a century. Understanding these security features is essential for collectors dating notes, spotting varieties, and appreciating the government’s ongoing battle against counterfeiting.

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The Counterfeit Currency Crisis of 1862: Why the First Legal Tender Notes Were Already Being Faked Within Weeks of Issue

When the United States issued its first Legal Tender Notes in February 1862, counterfeiters were already at work before the ink had dried on the genuine articles. This deep-dive into the chaotic early days of federal paper money reveals how a desperate wartime government scrambled to protect a currency that was, by modern standards, shockingly easy to fake.

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The History of American Currency Counterfeiting: From Colonial Woodcuts to 21st Century Digital Fakes

American counterfeiting stretches back more than three centuries, shaping the very design of every note in your collection. Understanding this ongoing arms race between forgers and the Treasury helps collectors identify genuine notes, spot alterations, and appreciate why certain security features define a series.

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Paper Money of the American Revolution: Continental Currency, State Issues, and Counterfeiting

The paper money printed during the American Revolution represents some of the most historically significant and collectible currency ever produced on American soil. From the chaotic Continental dollar to the ingenious anti-counterfeiting techniques of Benjamin Franklin, this guide covers everything collectors need to know about acquiring, authenticating, and appreciating Revolutionary-era currency.

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The Secret Service’s First Currency Counterfeiting Arrests: The 1865 Cases That Justified the Agency’s Creation

When the Secret Service made its first counterfeiting arrests in the autumn of 1865, it targeted a national crisis that had rendered roughly one-third of all circulating paper currency suspect. Understanding these founding cases gives collectors crucial context for authenticating and valuing Civil War-era fractional and Legal Tender notes.

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Guardians of the Greenback: The Secret Service’s Currency Protection Role From 1865 to the DHS Era

Long before presidential protection became its defining mission, the United States Secret Service was founded specifically to combat the epidemic of counterfeit currency that threatened to collapse the post-Civil War economy. Understanding this history gives collectors a richer context for the notes they hold, the security features those notes carry, and the legal frameworks that govern reproduction of US currency today.

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