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 EE019.07

  1. Ee018.07-80
    Wns Number
    EE018.07
    Country / Post
    Estonia
    Date of Issue
    July 02, 2007
    Subject
    Definitive - Wig Knapweed
  2. Ee019.07-80
    Wns Number
    EE019.07
    Country / Post
    Estonia
    Date of Issue
    July 02, 2007
    Subject
    Definitive - Tartu County