定義

• Coining Dies.  Specially prepared working dies intended for use in a coining press which produces a struck piece – coin or medal – with a single blow, including some form of edge treatment. Coining dies are made from very low relief (bas-relief) models and are always used in a coining press with a collar which will produce a smooth or reeded edge. Since coining dies must fit within a collar, they are also called collar dies. In very rare instances medals struck with coining dies without a collar, forming indistinct borders, is called splash striking (q.v.).

  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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