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 Poland in 2011

Show issuing programme...
  1. Pl001.11-80
    Wns Number
    PL001.11
    Country / Post
    Poland
    Date of Issue
    January 28, 2011
    Subject
    400th Anniversary of the Birth of Jan Heweliusz
  2. Pl002.11-80
    Wns Number
    PL002.11
    Country / Post
    Poland
    Date of Issue
    February 04, 2011
    Subject
    Field Hockey
  3. Pl003.11-80
    Wns Number
    PL003.11
    Country / Post
    Poland
    Date of Issue
    February 11, 2011
    Subject
    20th Anniversary of the Vishegrad Group
  4. Pl004.11-80
    Wns Number
    PL004.11
    Country / Post
    Poland
    Date of Issue
    February 17, 2011
    Subject
    30th Anniversary of Lodz Agreement
  5. Pl005.11-80
    Wns Number
    PL005.11
    Country / Post
    Poland
    Date of Issue
    February 28, 2011
    Subject
    National Day of Cystic Fibrosis
  6. Pl006.11-80
    Wns Number
    PL006.11
    Country / Post
    Poland
    Date of Issue
    March 07, 2011
    Subject
    Centenary of the Birth of Stefan Kisielewski
  7. Pl007.11-80
    Wns Number
    PL007.11
    Country / Post
    Poland
    Date of Issue
    March 29, 2011
    Subject
    Easter
  8. Pl008.11-80
    Wns Number
    PL008.11
    Country / Post
    Poland
    Date of Issue
    March 29, 2011
    Subject
    Easter
  9. Pl009.11-80
    Wns Number
    PL009.11
    Country / Post
    Poland
    Date of Issue
    March 30, 2011
    Subject
    Centenary of Birth of Cardinal Kozlowiecki
  10. Pl010.11-80
    Wns Number
    PL010.11
    Country / Post
    Poland
    Date of Issue
    April 18, 2011
    Subject
    Smiles from the World - Photographs by Elzbieta Dzikowska

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