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 SY014.09

  1. Sy013.09-80
    Wns Number
    SY013.09
    Country / Post
    Syrian Arab Republic
    Date of Issue
    September 27, 2009
    Subject
    World Tourism Day - Bosra Bab Al-Hawa
  2. Sy014.09-80
    Wns Number
    SY014.09
    Country / Post
    Syrian Arab Republic
    Date of Issue
    September 27, 2009
    Subject
    World Tourism Day - Bosra Mabrak Al -Naqa Mosque
  3. Sy015.09-80
    Wns Number
    SY015.09
    Country / Post
    Syrian Arab Republic
    Date of Issue
    September 27, 2009
    Subject
    World Tourism Day - Bosra Amphitheatre