The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

Stamps issued with AR004.09

  1. Ar001.09-80
    Wns Number
    AR001.09
    Country / Post
    Argentina
    Date of Issue
    February 14, 2009
    Subject
    Argentine Festivals II - The Chaya Festival
  2. Ar002.09-80
    Wns Number
    AR002.09
    Country / Post
    Argentina
    Date of Issue
    February 14, 2009
    Subject
    Argentine Festivals II - The Grape Harvest National Festival
  3. Ar003.09-80
    Wns Number
    AR003.09
    Country / Post
    Argentina
    Date of Issue
    February 14, 2009
    Subject
    Argentine Festivals II - The Cherry National Festival
  4. Ar004.09-80
    Wns Number
    AR004.09
    Country / Post
    Argentina
    Date of Issue
    February 14, 2009
    Subject
    Argentine Festivals II - The Sea National Festival