How a silver planchet becomes a Proof coin: Something Social

An archived Coin World video recently shared on Facebook shows you an important step in that process
By , Coin World
Published : 11/12/15
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How does a planchet become a Proof coin?

A Coin World archived video recently shared on our Facebook page shows you one step in the process. 

During a 2013 trip to the West Point Mint, Senior Editor Paul Gilkes captured video of raw silver blanks for the 2013 American Eagle West Point Two-Coin Silver Set being spun with steel media and chemical solution in a Spaleck Finish machine to brighten the finish of the blanks, preparing them to be struck with a Proof surface.

Have a look.

How a planchet becomes a Proof:In our latest archive video from Paul Gilkes's visit to the West Point Mint for the...

Posted by Coin World on Tuesday, October 27, 2015
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