A die defect is a unique and unintentional flaw in a coin die and is created through excessive use or polishing of the die.[1] A die bearing such a defect is occasionally referred to as a defective die. Generally, and depending upon the magnitude of the defect, coins that are produced from these dies are considered error coins.[2] Also, the term encompasses a wide variety of design errors that were engraved into the die originally and were slipped into circulation before the incorrect design was discovered.
^"COIN COLLECTING TERMINOLOGY and Definitions – Glossary of Coin Collector Words Starting with Letter D." COIN COLLECTING TERMINOLOGY – Glossary of Coin Collector Terms and Definitions. Web. 23 April 2010. http://cointerms.com/glossary/d_definitions.htm.
^"What's It Worth? Prices for U.S. Error Coins." CoinSite – Coin Collecting, Rare and Old Coins, Coin Prices and the Coin DOC. Web. 23 April 2010. http://www.coinsite.com/html/userrorprices.asp Archived 4 May 2010 at the Wayback Machine.
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the reverse, stating that the obverse placement had the appearance of a diedefect. At that time, Von Engelken had resigned pending appointment to the post...
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so-called stealth dicing process. It works as a two-stage process in which defect regions are firstly introduced into the wafer by scanning the beam along...
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election list of the "Die Linke" party, defected to the PARTEI. In 2012 Dirk Scholl, also former member of Die Linke, defected to the PARTEI in the city...
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G. The defect group of a block is unique up to conjugacy and has a strong influence on the structure of the block. For example, if the defect group is...
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