Fake bills usually make a dull thud and the material tears more like standard paper, indicating a lack of the necessary durability. Denomination Security Thread Color (UV Light) Color-Shifting Ink Location $5 Blue Numerical 5 $10 Orange Numerical 10 $20 Green Numerical 20 $50 Yellow Numerical 50 $100 Blue Numerical 100 Verification Using Light and Magnification Ultraviolet light reveals features invisible to the naked eye, making it a powerful tool for authentication.
Key Signs of Genuine Currency: Texture, Security Features, and Watermarks
Unlike standard printer paper, authentic bills feel slightly gritty and possess a unique firmness. Additionally, a thin security thread embedded vertically in the paper should display the denomination of the bill when illuminated.
Running a finger along the surface should reveal slight ridges where the ink sits on top of the paper rather than being absorbed. Genuine currency has a unique grit due to the cotton-linen composition, whereas counterfeits are often made from smoother, more uniform paper.
Learn to Spot Authentic Currency with Security Features and Texture
Every authentic bill features a watermark portrait to the left of the main portrait that is a near-perfect silhouette of the primary figure. On modern denominations, the numerical denomination in the bottom right corner changes color when the bill is tilted.
More About How to detect fake us dollars
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