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.

Stamps issued with PT005.17

  1. Pt003.17-80
    Wns Number
    PT003.17
    Country / Post
    Portugal
    Date of Issue
    January 07, 2017
    Subject
    Lisbon - Ibero-American Capital of Culture 2017
  2. Pt004.17-80
    Wns Number
    PT004.17
    Country / Post
    Portugal
    Date of Issue
    January 07, 2017
    Subject
    Lisbon - Ibero-American Capital of Culture 2017
  3. Pt005.17-80
    Wns Number
    PT005.17
    Country / Post
    Portugal
    Date of Issue
    January 07, 2017
    Subject
    Lisbon - Ibero-American Capital of Culture 2017
  4. Pt006.17-80
    Wns Number
    PT006.17
    Country / Post
    Portugal
    Date of Issue
    January 07, 2017
    Subject
    Lisbon - Ibero-American Capital of Culture 2017
  5. Pt007.17-80
    Wns Number
    PT007.17
    Country / Post
    Portugal
    Date of Issue
    January 07, 2017
    Subject
    Lisbon - Ibero-American Capital of Culture 2017