US Notes

Fake Star Notes: How to Detect Counterfeit Replacement Stars Added to Common Serial Numbers After Printing

Altered star notes — ordinary bills doctored with a crudely added star symbol to mimic valuable replacement notes — represent one of the most persistent frauds in paper money collecting. This guide walks you through the authentication techniques, known alteration methods, and red flags that every collector must know before buying a star note.

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The Currency Education Program: How the Federal Reserve Teaches the Public to Detect Counterfeits

The Federal Reserve’s Currency Education Program is a decades-long initiative that has reshaped how Americans identify genuine banknotes, and its rollout history is a roadmap for collectors tracking modern security features by series. Understanding the program’s milestones helps collectors authenticate notes with confidence and pinpoint which design generations carry the most significant anti-counterfeiting innovations.

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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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The BEP’s Intaglio Printing Process: Why US Currency Feels Different from Regular Paper

The distinctive raised-ink texture of a United States banknote is no accident: it is the direct result of a 150-year-old intaglio printing tradition maintained by the Bureau of Engraving and Printing. Understanding exactly how this process works, why it matters for authentication, and how it affects the collectibility and grading of your notes will transform the way you handle every bill in your collection.

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The Blue and Red Fiber Threads in US Currency Paper: Security Feature or Artistic Choice?

Those tiny colored threads embedded in your dollar bill are one of the oldest and most misunderstood security features in American currency history, dating back to 1942. This deep dive traces their origin, evolution, and surprising significance to collectors hunting varieties and high-grade examples.

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