A vast coin collection, much of which was buried underground for more than 50 years, is expected to fetch in excess of $100 million at auction, according to experts. The Traveller Collection, thought ...

The most expensive coin collection ever assembled numbers 15,000 coins—it’s so large and historically thorough that it’s being sold in a series of 15 auctions set to spread out over three years.

Some of the world’s most expensive coins are among the rarest, and many have a great story behind that rarity. Not all rare coins are super expensive, so coin collecting can be an affordable hobby, ...