Many of the valuable coins on the list below are not likely to be hiding in your attic since they are tremendously rare, but not all of them are super expensive either. Some more recent examples ...

Bruun began collecting currency as a child in 1859, when his uncle died and named him among the recipients of some of his coins, according to the sales catalog. The son of innkeeper and landowners ...

Simpson. Represented by GreatCollections, an anonymous buyer stumped up $4.75 million ($5.6m/£4.2m today) for the coin, making it the most expensive Ultra High Relief Saint-Gaudens to date.

1. The 1794 Flowing Hair Silver Dollar The 1794 Flowing Hair Silver Dollar may sit atop the rankings of the most expensive coin ever sold, at least for now. Some experts believe that it was the ...