The US Federal Reserve has issued a new hi-tech 100 dollar banknote comprising several ... US authorities say that 100 bill is the most counterfeited of all US banknotes, but accurate figures ...

Not all old coins or dollar bills are unique, but some could be worth thousands of dollars. And if you do have old currency ...

These example values come from data gathered by US Currency ... at least $100. Very old bills, from the days of large notes, tend to be worth the most. Many pre-1928 100-dollar bills are worth ...