Uniface Strike Mint Error
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A uniface strike mint error occurs when a blank planchet enters the coining chamber and rest on top of another blank planchet then they're struck with the hammer and anvil dies. The bottom planchet will recieve the reverse design but not design on the other side because of the planchet on top, and the planchet on top will recieve the obverse design but not the reverse because of the planchet underneath.

So just image to planchet on top of each other in the coining chamber and then they're struck by the dies and then expelled from the coining chamber.


Also not to be confused with Off Center Strikes Or Misaligned Die
Uniface (Die Cap) Strike Kennedy Half Dollar
Uniface (Finned Rim) Strike Roosevelt Dime
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