Among the most valuable coins in history, certain pieces stand out not only for their rarity but also for their historical significance. These coins, ranging from ancient to modern, have fetched ...

This article originally appeared on GOBankingRates.com: 5 Most Valuable American Coins Still in Circulation ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

A rare Royal Mint 20p coin fetched £62 on eBay after sparking a mini bidding war. The 20p coin, a "mule" coin, minted in 2008, sold for more than 300 times its face value at the online auction. This ...