The most valuable banknotes are nearly all worth less than $100,000, according to Banknote World. In contrast, the most ...

Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish ...

One interesting thing about money is that although paper notes usually have a higher ... according to Banknote World. In contrast, the most valuable coins can command $3 million or more.