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.

CI002.03

Country / Post Côte d'Ivoire
Date of Issue 9 July 2003
Primary theme Architecture
Subject 20th Anniversary of Chinese and Ivorian Diplomatic Relations
Width 40.0 mm
Height 30.0 mm
Denomination 400 XOF
Number in set 3 (show set)
Layout/Format sheet of 20
Perforations 12 by 11.8
Stamp issuing authority La Poste de Côte d'Ivoire
Printer Imprimerie de TP Admin Postale China Beijing