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.

ZA020.13

Country / Post South Africa
Date of Issue 14 June 2013
Primary theme Fauna (Birds of Prey)
Subject Flight of the Fish Eagle
Width 36.25 mm
Height 36.0 mm
Denomination B4
Number in set 2 (show set)
Layout/Format self adhesive miniature sheet of 2 of 2 designs
Perforations 14 by 14
Stamp issuing authority South African Post Office
Printer Joh Enschedé Security Printers