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.

AU010.04

Country / Post Australia
Date of Issue 2 March 2004
Primary theme Engineering (Bridges)
Subject Landmark Bridges - Birkenhead Bridge Adelaide 1940
Width 37.5 mm
Height 26.0 mm
Denomination 0.50 AUD
Number in set 5 (show set)
Layout/Format sheet of 50 of 5 designs, self adhesive booklet of 10 of 5 designs
Perforations 14 by 14.6
Stamp issuing authority Australia Post
Printer SNP Sprint
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