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.

Stamps issued with SK027.19

  1. Sk026.19-80
    Wns Number
    SK026.19
    Country / Post
    Slovakia
    Date of Issue
    November 08, 2019
    Subject
    Christmas Mail 2019
  2. Sk027.19-80
    Wns Number
    SK027.19
    Country / Post
    Slovakia
    Date of Issue
    November 08, 2019
    Subject
    Christmas 2019 - Traditional Slovak Tinsmithing
  3. Sk028.19-80
    Wns Number
    SK028.19
    Country / Post
    Slovakia
    Date of Issue
    November 08, 2019
    Subject
    Christmas 2019 - Traditional Slovak Tinsmithing