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 ET016.04

  1. Et013.04-80
    Wns Number
    ET013.04
    Country / Post
    Ethiopia
    Date of Issue
    December 07, 2004
    Subject
    28th Olympic Games - Athens
  2. Et014.04-80
    Wns Number
    ET014.04
    Country / Post
    Ethiopia
    Date of Issue
    December 07, 2004
    Subject
    28th Olympic Games - Athens
  3. Et015.04-80
    Wns Number
    ET015.04
    Country / Post
    Ethiopia
    Date of Issue
    December 07, 2004
    Subject
    28th Olympic Games - Athens
  4. Et016.04-80
    Wns Number
    ET016.04
    Country / Post
    Ethiopia
    Date of Issue
    December 07, 2004
    Subject
    28th Olympic Games - Athens