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. Br050.18-80
    Wns Number
    BR050.18
    Country / Post
    Brazil
    Date of Issue
    December 06, 2018
    Subject
    Christmas 2018 - 200 Years of "Silent night" Song - Joseph Mohr and Franz Gruber
  7. Br051.18-80
    Wns Number
    BR051.18
    Country / Post
    Brazil
    Date of Issue
    December 06, 2018
    Subject
    Christmas 2018 - 200 Years of 'Silent night' Song - Silent Night Chapel
  8. Br052.18-80
    Wns Number
    BR052.18
    Country / Post
    Brazil
    Date of Issue
    December 06, 2018
    Subject
    Christmas 2018 - 200 Years of 'Silent night' Song - Joseph Mohr and Franz Gruber
  9. Br053.18-80
    Wns Number
    BR053.18
    Country / Post
    Brazil
    Date of Issue
    December 06, 2018
    Subject
    Christmas 2018 - 200 Years of 'Silent night' Song - Silent Night Chapel
  10. Ro182.18-80
    Wns Number
    RO182.18
    Country / Post
    Romania
    Date of Issue
    December 07, 2018
    Subject
    Winter Customs - Sending letters to Santa