Definition

• Agio.  A deduction from the face value of a precious metal coin because it is worn.
  When the bullion value of a coin was not near its face value, worn coins of precious metal (prior 1920) were occasionally discounted. If a coin appeared worn, it would be weighed. The current value or transaction value would be discounted a small percentage based on the amount of short weight.
  References:                                                                                                                                  
  NE12 {1917} Frey, p 4.

  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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