Definición

• Proof Surface.  A highly polished mirror-likemirror-like reflectiveness on the surface of a struck piece.  See proof finish.
  CLASS 04.8

  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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