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.

AO009.02

Country / Post Angola
Date of Issue 12 July 2002
Primary theme International Organisations
Subject Socialist International Congress - Cancellation of external debt
Width 40.0 mm
Height 30.0 mm
Denomination 10 AOA
Number in set 5 (show set)
Layout/Format sheet of 20, miniature sheet of 4 of 4 designs
Perforations 13 by 13.2
Stamp issuing authority Empresa Nacional de Correios e Telegrafos de Angola
Printer Cartor Security Printing