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.

AU001.05

Country / Post Australia
Date of Issue 11 January 2005
Primary theme Sport (Tennis)
Subject Centenary of the Australian Open Tennis
Width 37.0 mm
Height 26.0 mm
Denomination 0.50 AUD
Number in set 2 (show set)
Layout/Format sheet of 50
Perforations 14 by 14
Stamp issuing authority Australia Post
Printer SNP Sprint
Connect to the web shop of the issuing stamp authority