Famous 100 Dollar Bill Under Black Light 2023. Counterfeit bills often have variations in font size or spacing, which can be a red flag. The placement is different for each denomination, and the thread glows a unique color under an ultraviolet light, or black light.
However, i have one lone $5, claiming to be from series 2006, and the entire bill glows. A replica of the portrait on the bill in the case of $10, $20, $50, and $100 notes; It's also possible to spot the security thread under a uv black light.
