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.

All registered stamps issued by Saudi Arabia in 2018

The 2018 issuing programme is not available.
  1. Sa011.18-80
    Wns Number
    SA011.18
    Country / Post
    Saudi Arabia
    Date of Issue
    September 22, 2018
    Subject
    88th National Day
  2. Sa012.18-80
    Wns Number
    SA012.18
    Country / Post
    Saudi Arabia
    Date of Issue
    December 25, 2018
    Subject
    Commemoration of the Martyrs

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