定義

• Blank Planchet.  A planchet is one which has not been struck by dies and which reaches circulation. Collectors of these call a blank before it is UPSET a first type or first process blank; after it has been upset a second type or second process planchet..

  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

人际关系