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.

All registered stamps issued by Argentina in 2019

The 2019 issuing programme is not available.
  1. Ar001.19-80
    Wns Number
    AR001.19
    Country / Post
    Argentina
    Date of Issue
    March 25, 2019
    Subject
    VII International Congress of the Spanish Language
  2. Ar002.19-80
    Wns Number
    AR002.19
    Country / Post
    Argentina
    Date of Issue
    March 25, 2019
    Subject
    VII International Congress of the Spanish Language

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