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 ET020.04

  1. Et017.04-80
    Wns Number
    ET017.04
    Country / Post
    Ethiopia
    Date of Issue
    December 28, 2004
    Subject
    Gesho Plant
  2. Et018.04-80
    Wns Number
    ET018.04
    Country / Post
    Ethiopia
    Date of Issue
    December 28, 2004
    Subject
    Gesho Plant
  3. Et019.04-80
    Wns Number
    ET019.04
    Country / Post
    Ethiopia
    Date of Issue
    December 28, 2004
    Subject
    Gesho Plant
  4. Et020.04-80
    Wns Number
    ET020.04
    Country / Post
    Ethiopia
    Date of Issue
    December 28, 2004
    Subject
    Gesho Plant