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 2011

The 2011 issuing programme is not available.
  1. Ar001.11-80
    Wns Number
    AR001.11
    Country / Post
    Argentina
    Date of Issue
    March 19, 2011
    Subject
    2011 International Year of Forests
  2. Ar002.11-80
    Wns Number
    AR002.11
    Country / Post
    Argentina
    Date of Issue
    March 19, 2011
    Subject
    Centenary of the UPAEP - 100 Years Bridging Cultures
  3. Ar003.11-80
    Wns Number
    AR003.11
    Country / Post
    Argentina
    Date of Issue
    April 16, 2011
    Subject
    Buenos Aires World Capital of Book 2011
  4. Ar004.11-80
    Wns Number
    AR004.11
    Country / Post
    Argentina
    Date of Issue
    April 16, 2011
    Subject
    Buenos Aires World Capital of Book 2011
  5. Ar005.11-80
    Wns Number
    AR005.11
    Country / Post
    Argentina
    Date of Issue
    April 16, 2011
    Subject
    34th Antarctic Treaty Consultative Meeting & Antarctic Treaty 50th Anniversary
  6. Ar006.11-80
    Wns Number
    AR006.11
    Country / Post
    Argentina
    Date of Issue
    April 16, 2011
    Subject
    34th Antarctic Treaty Consultative Meeting & Antarctic Treaty 50th Anniversary
  7. Ar007.11-80
    Wns Number
    AR007.11
    Country / Post
    Argentina
    Date of Issue
    April 16, 2011
    Subject
    34th Antarctic Treaty Consultative Meeting & Antarctic Treaty 50th Anniversary
  8. Ar008.11-80
    Wns Number
    AR008.11
    Country / Post
    Argentina
    Date of Issue
    May 21, 2011
    Subject
    World Blood Donor Day
  9. Ar015.11-80
    Wns Number
    AR015.11
    Country / Post
    Argentina
    Date of Issue
    May 21, 2011
    Subject
    200th Anniversary of Death of Mariano Moreno
  10. Ar009.11-80
    Wns Number
    AR009.11
    Country / Post
    Argentina
    Date of Issue
    June 25, 2011
    Subject
    Copa America Argentina 2011 - Group A Argentina-Bolivia

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