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.

RW001.03

Country / Post Rwanda
Date of Issue 1 January 2003
Primary theme Medicine (Cancer & AIDS)
Subject AIDS - Prevention for Children
Width 41.5 mm
Height 28.0 mm
Denomination 20 RWF
Number in set 4 (show set)
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Office Nationale de Postes
Printer Cartor Security Printing