These 100-dollar bills are worth money and captivate collectors. Paper currency is classified with Friedberg numbers, which ...

Piano, 82, said many of the 100 dollar-bills were filthy and others had ... tracking the circulation of more than 1 trillion worth of paper money. There’s also the Secret Service, whose job ...

The US Federal Reserve has issued a new hi-tech 100 dollar banknote ... to print fake money and harder for retailers to spot the forgeries. US authorities say that 100 bill is the most ...