Definición

• Knife Edge, Knife Rim.  A burr or fin where metal flows between the die and the collar in a coining press where the pressure is too great, or the blank is too large. These are British terms for what Americans would call a wire edge. The fin is thin and sharp like a knife hence the name.  See burr, fin; compare flash.

  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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