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.

SA004.03

Country / Post Saudi Arabia
Date of Issue 29 April 2003
Primary theme Science & Technology
Transportation (Road)
Aviation
Subject Civil Defence
Width 40.0 mm
Height 40.0 mm
Denomination 1 SAR
Number in set 1
Layout/Format sheet
Perforations 14 by 14
Stamp issuing authority Saudi Post Corporation
Printer
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