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. Cy017.18-80
    Wns Number
    CY017.18
    Country / Post
    Cyprus
    Date of Issue
    November 08, 2018
    Subject
    Christmas 2018 - Children sing carols
  2. Cy018.18-80
    Wns Number
    CY018.18
    Country / Post
    Cyprus
    Date of Issue
    November 08, 2018
    Subject
    Christmas 2018 - Children sing carols
  3. Pm016.18-80
    Wns Number
    PM016.18
    Country / Post
    Saint Pierre and Miquelon
    Date of Issue
    November 08, 2018
    Subject
    Miquelon and Santa's sleigh
  4. Va030.18-80
    Wns Number
    VA030.18
    Country / Post
    Vatican
    Date of Issue
    November 08, 2018
    Subject
    Christmas 2018
  5. Va031.18-80
    Wns Number
    VA031.18
    Country / Post
    Vatican
    Date of Issue
    November 08, 2018
    Subject
    Christmas 2018
  6. Xc014.18-80
    Wns Number
    XC014.18
    Country / Post
    Andorra (S)
    Date of Issue
    November 08, 2018
    Subject
    Christmas - Popular Scences - Diorama of J. Bofill
  7. Ro168.18-80
    Wns Number
    RO168.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018
  8. Ro169.18-80
    Wns Number
    RO169.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018
  9. Ro170.18-80
    Wns Number
    RO170.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018
  10. Ro171.18-80
    Wns Number
    RO171.18
    Country / Post
    Romania
    Date of Issue
    November 09, 2018
    Subject
    Christmas 2018