blank pieces of metal used to make coins. Planchet errors mean they might have the wrong shape, wrong thickness and have no engraving at all Strike errors: In coinage, the term “strike” refers ...

Famous for its wrong-planchet error, it was struck in bronze when most pennies that year were made of steel. The coin displays a deep, warm brown color with red highlights that enhance its visual ...

Rarer and more unique errors, like when the wrong planchet is struck with the bicentennial quarter die, can be worth even more. Coins are graded on a scale from Poor (P) to Mint State (MS), with ...

Brits have been urged to check their wallets and coin jars at home for a rare error coin that has only just entered circulation. The £1 coin, which features King ...

A rare two-pence piece, which was minted with a 'major error', has fetched £700 at auction. The 1983 2p coin, which was sold at RWB Auctions last week, may seem ordinary at first glance.

We are all being urged to check our change for an “extremely rare” 50p coin with an error that makes it incredibly valuable. The Royal Mint 50p coin in question ...

Brits are being encouraged to rummage through their wallets and coin collections for a rare error £1 coin that has recently entered circulation. The coin, which ...