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.

KI001.07

Country / Post Kiribati
Date of Issue 30 January 2007
Primary theme Royalty & Monarchies
Subject Diamond Wedding of HM Queen Elizabeth II & HRH the Duke of Wellington
Width 30.56 mm
Height 38.0 mm
Denomination 0.50 AUD
Number in set 4 (show set)
Layout/Format sheet of 6
Perforations 14 by 14
Stamp issuing authority Kiribati Post
Printer BDT International Printing Ltd