- At the height of its hyperinflation, the Reserve Bank of Zimbabwe was printing $100 trillion banknotes that "could not pay for a simple bus fare."
- https://en.wikipedia.org/wiki/Banknotes_of_Zimbabwe
- https://en.wikipedia.org/wiki/Hyperinflation_in_Zimbabwe
US had a $100k bill, worth about $2 mil now: https://en.wikipedia.org/wiki/United_States_one-hundred-thousand-dollar_bill
(Used for transfer between federal banks)