Mint Error Coins

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Errors and varieties are classified by three divisions to help define when and how they occur. Listed below are the three divisions. Choose which you think applies to your error or variety coin by clicking the link or image, or use the search feature.


Planchet Division

Rolled In Metal

Defective Planchet

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Alloy Mixture

Plating Issues

Split Planchet

Lamination

Clipped Planchet

Blank

Unstruck Planchet

Incorrect Planchet

Off Metal Planchets

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Dual Denomination

Missing Clad Layer

Extra Metal

Improperly Annealed

Sintered Planchet

 

Burnishing Ball

 

Roller Marks

 

Unplated Planchet

Experimental
Planchets

Struck On
Foreign Planchet

     

Die Variety Division

Doubled Die

Die Cracks

 New Images

Die Breaks (CUDS)

 

 

Die Gouge

 

Repunched Mint Mark

 

Omitted Mint Mark

 

Trail Dies

 

Worn & Over-Used Die

 

Shattered Die

 

Anomalies

 Reverse Design Varieties  
     

Striking Division

 

Strike Through

 

Dropped Letter

 

Capped Die

 

Multiple Strike

 

Bonded Multiple Strike

 

Brokage Strike

 

Uniface Strike

 

Collar Die Clash

 

Broad Strike

 

Missing Edge Lettering

 

Die Clash

 

Die Adjustment  Strike

 

Misaligned Die

 

Off Center Strike

 

Rotated Die

 

Broken Planchet

 

Strike Doubling

 

Feeder Finger  Malfunction