Definition

• Double Set.  Two of each numismatic items in a set, arranged to show both sides in a single view. A small number of the 1915 Panama-Pacific International Exposition commemorative coins were issued in a double set of ten coins.

  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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