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.

CN001.11

Country / Post China (People's Rep)
Date of Issue 5 January 2011
Primary theme Holy Days & Celebrations (Chinese New Year)
Subject Xin-Mao Year
Width 36.0 mm
Height 36.0 mm
Denomination 1.20 CNY
Number in set 1
Layout/Format sheet of 20, 6, 4
Perforations 13 by 13
Stamp issuing authority State Post Bureau China National Philatelic Corporation
Printer Beijing Postage Stamp Printing House