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 Cameroon in 2011

The 2011 issuing programme is not available.
  1. Cm001.11-80
    Wns Number
    CM001.11
    Country / Post
    Cameroon
    Date of Issue
    March 26, 2011
    Subject
    40th Anniversary of Cooperation between China and Cameroon
  2. Cm002.11-80
    Wns Number
    CM002.11
    Country / Post
    Cameroon
    Date of Issue
    March 26, 2011
    Subject
    40th Anniversary of Cooperation between China and Cameroon
  3. Cm003.11-80
    Wns Number
    CM003.11
    Country / Post
    Cameroon
    Date of Issue
    March 26, 2011
    Subject
    40th Anniversary of Cooperation between China and Cameroon
  4. Cm004.11-80
    Wns Number
    CM004.11
    Country / Post
    Cameroon
    Date of Issue
    March 26, 2011
    Subject
    40th Anniversary of Cooperation between China and Cameroon
  5. Cm005.11-80
    Wns Number
    CM005.11
    Country / Post
    Cameroon
    Date of Issue
    March 28, 2011
    Subject
    First Flight Camair-Co
  6. Cm006.11-80
    Wns Number
    CM006.11
    Country / Post
    Cameroon
    Date of Issue
    March 28, 2011
    Subject
    First Flight Camair-Co
  7. Cm007.11-80
    Wns Number
    CM007.11
    Country / Post
    Cameroon
    Date of Issue
    June 03, 2011
    Subject
    30th Anniversary of the discovery of AIDS
  8. Cm008.11-80
    Wns Number
    CM008.11
    Country / Post
    Cameroon
    Date of Issue
    June 03, 2011
    Subject
    30th Anniversary of the discovery of AIDS
  9. Cm009.11-80
    Wns Number
    CM009.11
    Country / Post
    Cameroon
    Date of Issue
    June 03, 2011
    Subject
    30th Anniversary of the discovery of AIDS