Researchers decipher the secrets of Benjamin Franklin’s paper money (IMAGE)

University of Notre Dame

Researchers decipher the secrets of Benjamin Franklin’s paper money

Caption

Khachatur Manukyan and his team employed cutting-edge spectroscopic and imaging instruments to get a closer look than ever at the inks, paper and fibers that made Benjamin Franklin’s bills distinctive and hard to replicate.

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Barbara Johnston / University of Notre Dame

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