When Were Security Strips First Placed in United States Banknotes?

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Have you ever looked at modern United States banknotes and wondered when it was that they first became embedded with high-tech anticounterfeiting technology? One need only go back to the 1980s to arrive back at the point in time when U.S. banknotes were little more than simple “paper” and ink.

Interestingly, the first use of security strips in world banknotes was patented in England back in 1848! However, it took 100 years before the first bills to implement metal strips were produced in Great Britain. The strips, which appear as a black line in front of strong lighting, were visually replicated by counterfeiters who drew black lines on their phony bills; in dim lighting, the spurious black lines roughly resembled the metal strips in official British money.

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JBK

Counterfeiters manage to keep up with technology. I have seen fake notes where a strip was set down on the paper (before printing) and then a narrow piece of paper (wider than the strip) was glued over it, Once the printing was added it looked pretty decent.

asheland

I remember seeing the strips in the 1990's

asheland

(and micro printing)