Glossary

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Brockages
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Counterbrockages
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Die Adjustment Strikes
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Die Caps
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Die Trials
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Double Denomination
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Double/Multiple Strikes
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Dual Countries
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Experimental Blanks
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Experimental Strikes
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Experimental Surface
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Feeder Finger Strikes
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Gold Die Trials
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Gold Errors
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Gold Off-Metals
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Martha Washington
Test Pieces

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Mated Pairs
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Mules
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Multiple Errors
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Off-Centers
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Off-Metals
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Overstrikes
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Pattern Die Trials
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Pattern Errors
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Pattern Mules
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Platinum Errors
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Proof Errors
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Spectacular Errors
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Transitional Errors
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Two-Headed Coins
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Two-Tailed Coins
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Uniface Die Trials


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Multiple Errors

Multiple errors on a single coin are rare and are often very dramatic and unusual.

Pictured above is the only known 10 Cent Euro struck with two reverse dies and is off-metal on a chrome plated iron planchet. The dies were rotated 180° when they struck this two-tailed 10 Cent Euro. This exceptionally rare type of mint error has occurred only five times in U.S. or World modern numismatic history where a coin was struck by either two obverse dies or two reverse dies and struck on an off-metal planchet.

This is the only known "two-tailed" "off-metal" Euro coin on a chrome plated iron planchet discovered from any of the countries in the European Monetary Union. 19 of the 28 European Union (EU) member states have adopted the Euro as their common currency. Since all the member countries use the same reverse dies, it is impossible to determine the origin of this mint error. Is one of the most dramatic and unique mint error discoveries in modern times.