定義

• Struck Fragment.  Small metal selvage included with normal blanks and struck inadvertently fed in a coining press as if it were a planchet. If the fragment lies on a blank and struck it is then an impressed error.

  excerpted with permission from

  An Encyclopedia of Coin and Medal Technology

  For Artists, Makers, Collectors and Curators

  COMPILED AND WRITTEN BY D. WAYNE JOHNSON

  Roger W. Burdette, Editor

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