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. Sk025.18-80
    Wns Number
    SK025.18
    Country / Post
    Slovakia
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018 - Paraments - Liturgical Textiles
  2. Sk026.18-80
    Wns Number
    SK026.18
    Country / Post
    Slovakia
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018 - Paraments - Liturgical Textiles
  3. Mt049.18-80
    Wns Number
    MT049.18
    Country / Post
    Malta
    Date of Issue
    November 16, 2018
    Subject
    Christmas 2018 - St Helen's Basilica, Birkirkara
  4. 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
  5. 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
  6. Cl010.18-80
    Wns Number
    CL010.18
    Country / Post
    Chile
    Date of Issue
    November 20, 2018
    Subject
    Christmas 2018 - Children's Drawing Contest
  7. Cl011.18-80
    Wns Number
    CL011.18
    Country / Post
    Chile
    Date of Issue
    November 20, 2018
    Subject
    Christmas 2018 - Children's Drawing Contest
  8. Cl012.18-80
    Wns Number
    CL012.18
    Country / Post
    Chile
    Date of Issue
    November 20, 2018
    Subject
    Christmas 2018 - Children's Drawing Contest
  9. Cl013.18-80
    Wns Number
    CL013.18
    Country / Post
    Chile
    Date of Issue
    November 20, 2018
    Subject
    Christmas 2018 - Children's Drawing Contest
  10. Cl014.18-80
    Wns Number
    CL014.18
    Country / Post
    Chile
    Date of Issue
    November 20, 2018
    Subject
    Christmas 2018 - Children's Drawing Contest