Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

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 ...

NEW YORK (AP) — Is it a dime? Or is it a nail? In probably one of the oddest items to come to the world of coin collecting, Dallas-based Heritage Auctions has announced the sale of a Roosevelt dime ...

6. The Proof Coin Pops Finally, we have the proof coin errors. Proof coins are typically struck for collectors, and they usually have a mirror-like finish. But sometimes, these coins can have ...

Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...

SD Bullion, the gold and silver deals, has published a list of the most valuable error coins in the USA. One of the most expensive coins they listed once sold for ...

NEW YORK (AP) -- Is it a dime? Or is it a nail? In probably one of the oddest items to come to the world of coin collecting, New York-based Heritage Auctions has announced the sale of a Roosevelt dime ...