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.

RW002.10

Country / Post Rwanda
Date of Issue 15 November 2010
Primary theme Fauna (Mammals)
Subject Mountain Gorillas
Width 44.5 mm
Height 30.0 mm
Denomination 40 RWF
Number in set 4 (show set)
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Office Nationale de Postes
Printer Joh Enschedé Security Printers