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.

ZA009.13

Country / Post South Africa
Date of Issue 22 February 2013
Primary theme Environment & Conservation
Energy (Wind)
Subject International Year of Water Cooperation
Width 31.323 mm
Height 48.281 mm
Denomination International Small Letter
Number in set 5 (show set)
Layout/Format self adhesive miniatue sheet of 5 of 5 designs
Perforations imperforate
Stamp issuing authority South African Post Office
Printer Cartor Security Printing