定義

• French-gray Finish.  Produced to give the medallic item a light oxidization which is relieved with a steel crimped-wire wheel. Such nonabrasive finish is in contrast with all those that are chemically oxidized and relieved (as an antique finish) which first starts with an abrasive blasting.

  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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