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 CA002.09

  1. Ca001.09-80
    Wns Number
    CA001.09
    Country / Post
    Canada
    Date of Issue
    January 08, 2009
    Subject
    Year of the Ox
  2. Ca002.09-80
    Wns Number
    CA002.09
    Country / Post
    Canada
    Date of Issue
    January 08, 2009
    Subject
    Year of the Ox