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 ...

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 ...

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 ...

A full list of the top 10 “error coins” in the US has been published by SD Bullion, the precious metals dealer. The “most valuable” coin on the full sold on ...

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 ...

Brits have been told to check their wallets and piggy banks for an unusual coin that could be worth hundreds. Misprinted “egg error” coins, which could be £1 or £2 coins, can fetch up to £600 when ...