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 Portugal in 2011

The 2011 issuing programme is not available.
  1. Pt001.11-80
    Wns Number
    PT001.11
    Country / Post
    Portugal
    Date of Issue
    February 17, 2011
    Subject
    Environmental "Aqui Ha Selo"
  2. Pt002.11-80
    Wns Number
    PT002.11
    Country / Post
    Portugal
    Date of Issue
    February 17, 2011
    Subject
    Environmental "Aqui Ha Selo"
  3. Pt003.11-80
    Wns Number
    PT003.11
    Country / Post
    Portugal
    Date of Issue
    February 21, 2011
    Subject
    Traditional Feasts
  4. Pt004.11-80
    Wns Number
    PT004.11
    Country / Post
    Portugal
    Date of Issue
    February 21, 2011
    Subject
    Traditional Feasts
  5. Pt005.11-80
    Wns Number
    PT005.11
    Country / Post
    Portugal
    Date of Issue
    February 21, 2011
    Subject
    Traditional Feasts
  6. Pt006.11-80
    Wns Number
    PT006.11
    Country / Post
    Portugal
    Date of Issue
    February 21, 2011
    Subject
    Traditional Feasts
  7. Pt007.11-80
    Wns Number
    PT007.11
    Country / Post
    Portugal
    Date of Issue
    February 21, 2011
    Subject
    Traditional Feasts
  8. Pt008.11-80
    Wns Number
    PT008.11
    Country / Post
    Portugal
    Date of Issue
    March 02, 2011
    Subject
    Portuguese Cheeses
  9. Pt009.11-80
    Wns Number
    PT009.11
    Country / Post
    Portugal
    Date of Issue
    March 02, 2011
    Subject
    Portuguese Cheeses
  10. Pt010.11-80
    Wns Number
    PT010.11
    Country / Post
    Portugal
    Date of Issue
    March 02, 2011
    Subject
    Portuguese Cheeses

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