定義

• Incomplete Cladding.  A clad metal in which some portion of the outer layer of clad metal is missing; this may occur before – or after – any step of machining or manufacturing. This is due to incorrect bonding of the clad metal. Collectors would call this a lamination 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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