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die defect
A die defect is a unique and unintentional flaw in a coin die and is created through excessive use or polishing of the die.〔"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.〕 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.〔"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.〕 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. ==Types==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「die defect」の詳細全文を読む
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