Definition

• Trimming and Piercing Errors.  An imperfect piece misshapen because of being out of register when trimmed or pierced. For both trimming or piercing, a piece must rest in a nest for the work to be performed. Should a piece not be seated properly – off center or out of register – in the nest the trimming or piercing will be off center and not where intended. It is a trimming error when the outer shape is incorrect; it is a piercing error when the openwork is not where intended.

  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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