Definition

• Machined Die.  A die cut by machine, by a die-engraving pantograph (or one electrically or chemically etched, as by edm). Machined dies are in contrast to hubbed dies. Because the grain structure is different hubbed dies last longer in production runs than machined dies.

  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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