In fact, blank coins are not uncommon due to errors during the minting process. If you see one, hold on to it — it could be worth hundreds of dollars on the collectible coins market. Discover ...

The last bronze alloy coins were accidentally struck when leftover bronze blanks remained in the press hopper as steel coins began production.

Planchet errors: Planchets are the round, 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 ...

"The 1894 penny in extra fine condition easily sells for over £160." Then turning his attention to a second coin, the user explained: "This is the 1882 H penny from the United Kingdom.

The Spanish company will supply 200 million blanks in association with Germany's Deutsche Nickel company. ”The (Argentine) central bank believes the country is short of 1 Peso coins and it is ...