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 in 2018 with theme "Christmas & Easter"

  1. Ro172.18-80
    Wns Number
    RO172.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018
  2. Ro173.18-80
    Wns Number
    RO173.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018
  3. Si045.18-80
    Wns Number
    SI045.18
    Country / Post
    Slovenia
    Date of Issue
    November 09, 2018
    Subject
    New Year's Wassailers
  4. Si046.18-80
    Wns Number
    SI046.18
    Country / Post
    Slovenia
    Date of Issue
    November 09, 2018
    Subject
    Nativity of Christ
  5. Sk024.18-80
    Wns Number
    SK024.18
    Country / Post
    Slovakia
    Date of Issue
    November 09, 2018
    Subject
    The Christmas Mail 2018
  6. Sk025.18-80
    Wns Number
    SK025.18
    Country / Post
    Slovakia
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018 - Paraments - Liturgical Textiles
  7. Sk026.18-80
    Wns Number
    SK026.18
    Country / Post
    Slovakia
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018 - Paraments - Liturgical Textiles
  8. Mt049.18-80
    Wns Number
    MT049.18
    Country / Post
    Malta
    Date of Issue
    November 16, 2018
    Subject
    Christmas 2018 - St Helen's Basilica, Birkirkara
  9. Mt050.18-80
    Wns Number
    MT050.18
    Country / Post
    Malta
    Date of Issue
    November 16, 2018
    Subject
    Christmas 2018 - St Catherine's Parish Church, Żejtun
  10. Mt051.18-80
    Wns Number
    MT051.18
    Country / Post
    Malta
    Date of Issue
    November 16, 2018
    Subject
    Christmas 2018 - Basilica of the Nativity of Our Lady, Xagħra, Gozo