"We have had people offer between $5 and $400,000 for it, and all we refuse," the girlfriend of the man told Newsweek.

It sold for $368,000 in 2005. Another very early example of paper currency, the 1863 (Fr. 150) legal tender note is a really ...

As an alternative asset class, collectible banknotes offer significant potential value to investors, and the market for these paper artifacts is thriving. Aris Maragoudakis, director of world ...