Two of the rarest coins in the world may still be out there in someone's rainy-day fund. According to Coinweek and Blanchard ...

The Traveller Collection, thought to be the most expensive coin collection to ever come to auction, will be sold off over the next three years - with the first sale taking place on May 20.

The age of an old coin can play a significant part in its value. Typically, older coins are harder to find in good condition, becoming rarer and rarer with each passing day. Take the 1794 Flowing ...