■ How much handling does it take to tear a bank note from wear, not by being torn on purpose?
It reportedly takes 4,000 double folds both forwards and backwards to tear a bank note through normal use in circulation. Our modern Federal Reserve bank notes are printed on a blend of 75 percent cotton, 25 percent linen purchased throughout the past century from Crane Paper Company. This blend also has variable length tiny red and blue synthetic fibers distributed throughout the “paper.”
■ What methods of printing have been used on our
