定義

• Flakes, Flaking.  A thin surface layer of metal peeling away or off of a coin, particularly a clad coin, or from a die. See laminating error. An impressed object is said to flake off if it is removed from its surface position.  See impressed design, impressed error, dropped letter.

  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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