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. Xj028.18-80
    Wns Number
    XJ028.18
    Country / Post
    Bosnia and Herzegovina - Croatian Post Ltd Mostar
    Date of Issue
    December 01, 2018
    Subject
    Christmas 2018 and the New Year
  2. Lu025.18-80
    Wns Number
    LU025.18
    Country / Post
    Luxembourg
    Date of Issue
    December 04, 2018
    Subject
    Christmas 2018 - The end-of-year festivities
  3. Lu026.18-80
    Wns Number
    LU026.18
    Country / Post
    Luxembourg
    Date of Issue
    December 04, 2018
    Subject
    Christmas 2018 - The end-of-year festivities
  4. Md041.18-80
    Wns Number
    MD041.18
    Country / Post
    Moldova
    Date of Issue
    December 04, 2018
    Subject
    Happy New Year! - Christmas Tree
  5. Md042.18-80
    Wns Number
    MD042.18
    Country / Post
    Moldova
    Date of Issue
    December 04, 2018
    Subject
    Happy New Year! - Flake
  6. Co110.18-80
    Wns Number
    CO110.18
    Country / Post
    Colombia
    Date of Issue
    December 11, 2018
    Subject
    Christmas 2018
  7. Uy057.18-80
    Wns Number
    UY057.18
    Country / Post
    Uruguay
    Date of Issue
    December 12, 2018
    Subject
    Christmas 2018
  8. Mx042.18-80
    Wns Number
    MX042.18
    Country / Post
    Mexico
    Date of Issue
    December 14, 2018
    Subject
    Mexican Christmas
  9. Mx043.18-80
    Wns Number
    MX043.18
    Country / Post
    Mexico
    Date of Issue
    December 14, 2018
    Subject
    Mexican Christmas
  10. Ua085.18-80
    Wns Number
    UA085.18
    Country / Post
    Ukraine
    Date of Issue
    December 19, 2018
    Subject
    St. Nicolas