In this image provided by Proceedings of the National Academy of Sciences, blue threads can be seen in a six shillings Delaware note printed by J. Adams on January 1, 1776. Counterfeiters found it ...

So add one more to the roster: his early work in printing colonial paper currency designed to counter a constant threat of counterfeiting. Franklin was an early innovator of printing techniques ...

Franklin was an early innovator of printing techniques that used colored threads, watermarks and imprints of natural objects such as leaves to make it far harder for others to create knockoffs of ...

How Benjamin Franklin laid groundwork for the US dollar by foiling early counterfeiters By David Hamilton | Associated Press Published July 23, 2023 at 2:00 PM EDT Digitized by Mark Gulezian ...

How Benjamin Franklin laid groundwork for the US dollar by foiling early counterfeiters by: Associated Press Posted: Jul 17, 2023 / 02:41 PM CDT Updated: Jul 17, 2023 / 02:42 PM CDT ...

SAN FRANCISCO (AP) — Benjamin Franklin was so busy as an inventor, publisher, scientist, diplomat and U.S. founding father that it’s easy to lose track of his accomplishments. So add one more to the ...