Minting Bimetallic Coins at the BRM

At the British Royal Mint, countless millions of coins are made annually, as well as planchet for countries around the world. Because they mint coins for many nations, the opportunity for mint errors abounds. It only takes a mismatched die, a planchet from one nation getting mixed up with another for a mint error to occur. 

Here is a short video detailing primarily how bimetallic coins are made, with the information on how the outer ring and inner core process occurs being of great value for the mint error collector--we understand mint errors by understanding the minting process. 

Error information category