Definizione

• Mirror Reflectiveness.  Very highly polished surface so smooth light rays are reflected in a uniform angle of incidence. Like a mirror such metal surfaces are said to
  be proof or prooflike.  See reflectiveness.
       
  820-(011)06.9           Illus: Drawings

  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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