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 with theme "Winter Olympics"

  1. Sk005.18-80
    Wns Number
    SK005.18
    Country / Post
    Slovakia
    Date of Issue
    February 23, 2018
    Subject
    The XII Winter Paralympic Games in PyeongChang
  2. Ro017.18-80
    Wns Number
    RO017.18
    Country / Post
    Romania
    Date of Issue
    February 09, 2018
    Subject
    Winter Olympic Games PyeongChang 2018 - Ski jumping
  3. Ro016.18-80
    Wns Number
    RO016.18
    Country / Post
    Romania
    Date of Issue
    February 09, 2018
    Subject
    Winter Olympic Games PyeongChang 2018 - Cross-country skiing
  4. Ro015.18-80
    Wns Number
    RO015.18
    Country / Post
    Romania
    Date of Issue
    February 09, 2018
    Subject
    Winter Olympic Games PyeongChang 2018 - Alpine skiing
  5. Ro014.18-80
    Wns Number
    RO014.18
    Country / Post
    Romania
    Date of Issue
    February 09, 2018
    Subject
    Winter Olympic Games PyeongChang 2018 - Bobsleigh
  6. Kr012.18-80
    Wns Number
    KR012.18
    Country / Post
    Korea Republic
    Date of Issue
    February 09, 2018
    Subject
    Celebrating the Opening of PyeongChang 2018
  7. Kr011.18-80
    Wns Number
    KR011.18
    Country / Post
    Korea Republic
    Date of Issue
    February 09, 2018
    Subject
    Celebrating the Opening of PyeongChang 2018
  8. By006.18-80
    Wns Number
    BY006.18
    Country / Post
    Belarus
    Date of Issue
    February 09, 2018
    Subject
    XXIII Olympic Winter Games in PyeongChang
  9. Hr001.18-80
    Wns Number
    HR001.18
    Country / Post
    Croatia
    Date of Issue
    February 07, 2018
    Subject
    Winter Olympic Games - PyeongChang 2018
  10. Si003.18-80
    Wns Number
    SI003.18
    Country / Post
    Slovenia
    Date of Issue
    January 26, 2018
    Subject
    The XXIII Olympic Winter Games - Skiing