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

  1. Cr017.18-80
    Wns Number
    CR017.18
    Country / Post
    Costa Rica
    Date of Issue
    October 09, 2018
    Subject
    America UPAEP - Domestic Animals - Chicken (Gallus gallus domesticus)
  2. Gr039.18-80
    Wns Number
    GR039.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  3. Gr040.18-80
    Wns Number
    GR040.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  4. Gr041.18-80
    Wns Number
    GR041.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  5. Gr042.18-80
    Wns Number
    GR042.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  6. Gr043.18-80
    Wns Number
    GR043.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  7. Gr044.18-80
    Wns Number
    GR044.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  8. Gr045.18-80
    Wns Number
    GR045.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  9. Gr046.18-80
    Wns Number
    GR046.18
    Country / Post
    Greece
    Date of Issue
    October 09, 2018
    Subject
    190 Years of Hellenic Post
  10. Hk058.18-80
    Wns Number
    HK058.18
    Country / Post
    Hong Kong (PRC)
    Date of Issue
    October 09, 2018
    Subject
    Cantonese Opera Repertory