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 Paraguay in 2011

The 2011 issuing programme is not available.
  1. Py001.11-80
    Wns Number
    PY001.11
    Country / Post
    Paraguay
    Date of Issue
    March 18, 2011
    Subject
    Centenary of the UPAEP - 100 Years Bridging Cultures
  2. Py002.11-80
    Wns Number
    PY002.11
    Country / Post
    Paraguay
    Date of Issue
    March 18, 2011
    Subject
    Centenary of the UPAEP - 100 Years Bridging Cultures
  3. Py003.11-80
    Wns Number
    PY003.11
    Country / Post
    Paraguay
    Date of Issue
    April 12, 2011
    Subject
    Banco Nacional de Fomento - 50 Years of Development
  4. Py004.11-80
    Wns Number
    PY004.11
    Country / Post
    Paraguay
    Date of Issue
    May 06, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay
  5. Py005.11-80
    Wns Number
    PY005.11
    Country / Post
    Paraguay
    Date of Issue
    May 06, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay
  6. Py006.11-80
    Wns Number
    PY006.11
    Country / Post
    Paraguay
    Date of Issue
    May 06, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay
  7. Py007.11-80
    Wns Number
    PY007.11
    Country / Post
    Paraguay
    Date of Issue
    May 06, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay
  8. Py008.11-80
    Wns Number
    PY008.11
    Country / Post
    Paraguay
    Date of Issue
    May 06, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay
  9. Py009.11-80
    Wns Number
    PY009.11
    Country / Post
    Paraguay
    Date of Issue
    May 09, 2011
    Subject
    International Year of Chemistry
  10. Py010.11-80
    Wns Number
    PY010.11
    Country / Post
    Paraguay
    Date of Issue
    May 11, 2011
    Subject
    Bicentennial of the Independence of the Republic of Paraguay