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.

AO001.07

Country / Post Angola
Date of Issue 20 April 2007
Primary theme Politics & Government
Subject Angola - Five Years in Peace
Width 40.0 mm
Height 30.0 mm
Denomination 51 AOA
Number in set 1
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Empresa Nacional de Correios e Telegrafos de Angola
Printer Stamperija Ltd