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 ET007.13

  1. Et006.13-80
    Wns Number
    ET006.13
    Country / Post
    Ethiopia
    Date of Issue
    March 19, 2013
    Subject
    Ethio Telecom
  2. Et007.13-80
    Wns Number
    ET007.13
    Country / Post
    Ethiopia
    Date of Issue
    March 19, 2013
    Subject
    Ethio Telecom
  3. Et008.13-80
    Wns Number
    ET008.13
    Country / Post
    Ethiopia
    Date of Issue
    March 19, 2013
    Subject
    Ethio Telecom