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.

All registered stamps issued by China (People's Rep) in 2011

The 2011 issuing programme is not available.
  1. Cn021.11-80
    Wns Number
    CN021.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 15, 2011
    Subject
    Ancient Chinese Calligraphy - Cursive Script
  2. Cn022.11-80
    Wns Number
    CN022.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 15, 2011
    Subject
    Ancient Chinese Calligraphy - Cursive Script
  3. Cn024.11-80
    Wns Number
    CN024.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 17, 2011
    Subject
    Chinese Aircraft - J10 fighter
  4. Cn025.11-80
    Wns Number
    CN025.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 17, 2011
    Subject
    Chinese Aircraft - FBC-1 Flying Leopard
  5. Cn026.11-80
    Wns Number
    CN026.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 17, 2011
    Subject
    Chinese Aircraft - AC313 Helicopter
  6. Cn023.11-80
    Wns Number
    CN023.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 23, 2011
    Subject
    World Book Day
  7. Cn027.11-80
    Wns Number
    CN027.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 24, 2011
    Subject
    Centenary of Tsinghua University
  8. Cn028.11-80
    Wns Number
    CN028.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 28, 2011
    Subject
    Xi'an International Horticultural Expo 2011
  9. Cn029.11-80
    Wns Number
    CN029.11
    Country / Post
    China (People's Rep)
    Date of Issue
    April 28, 2011
    Subject
    Xi'an International Horticultural Expo 2011
  10. Cn030.11-80
    Wns Number
    CN030.11
    Country / Post
    China (People's Rep)
    Date of Issue
    May 04, 2011
    Subject
    26th Summer Universiade Shenzhen