A planchet is a coin blank or metal disk that can be struck with coin dies to create a coin. Many coin errors happen when the ...

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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 ...

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 ...