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.

CN006.04

Country / Post China (People's Rep)
Date of Issue 13 August 2004
Primary theme Olympic Games
Architecture
Subject Olympic Games from Athens to Beijing - Joint issue by China and Greece
Width 33.0 mm
Height 33.0 mm
Denomination 0.80 CNY
Number in set 2 (show set)
Layout/Format sheet of 16
Perforations 12.7 by 12.8
Stamp issuing authority State Post Bureau China National Philatelic Corporation
Printer Beijing Postage Stamp Printing House