Definition

• Diaglyph.  An object with design below the background, with negative or intaglio relief. The design for the $5 and $2½ gold coins (1908-1929) designed by Bela Lyon Pratt, is a numismatic diaglyph. It is the opposite of anaglyph, an object with raised or cameo relief.  See relief, anaglyphtography.

  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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