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 ZA006.13

  1. Za005.13-80
    Wns Number
    ZA005.13
    Country / Post
    South Africa
    Date of Issue
    February 22, 2013
    Subject
    International Year of Water Cooperation
  2. Za006.13-80
    Wns Number
    ZA006.13
    Country / Post
    South Africa
    Date of Issue
    February 22, 2013
    Subject
    International Year of Water Cooperation
  3. Za007.13-80
    Wns Number
    ZA007.13
    Country / Post
    South Africa
    Date of Issue
    February 22, 2013
    Subject
    International Year of Water Cooperation
  4. Za008.13-80
    Wns Number
    ZA008.13
    Country / Post
    South Africa
    Date of Issue
    February 22, 2013
    Subject
    International Year of Water Cooperation
  5. Za009.13-80
    Wns Number
    ZA009.13
    Country / Post
    South Africa
    Date of Issue
    February 22, 2013
    Subject
    International Year of Water Cooperation