Definição

• Piercing Guide.  A design element on a medallic item indicating where piercing for openwork is to be to be done. Usually this is a raised outline circle (annulet) as a locus where a hole is to be drilled, but can also be for any shape openwork created by a piercing tool.  See limiting guide.

  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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