Definición

• Experimental Piece.  A trial piece in which some technological or innovative process is tested, such as: a new composition, a new piece of equipment, a new process of striking, or even a new process of finishing. It is not a die trial An experimental piece must be a test of some new innovation. If a small trial run is made the struck piece may be termed test coin; the Canadian Royal Mint has made these testing an innovative bimetal composition.  See die trial, trial piece.

  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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