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 Sri Lanka in 2013

The 2013 issuing programme is not available.
  1. Lk001.13-80
    Wns Number
    LK001.13
    Country / Post
    Sri Lanka
    Date of Issue
    January 18, 2013
    Subject
    60th Anniversary of Sri Lanka - Japan Diplomatic Relations
  2. Lk002.13-80
    Wns Number
    LK002.13
    Country / Post
    Sri Lanka
    Date of Issue
    January 18, 2013
    Subject
    60th Anniversary of Sri Lanka - Japan Diplomatic Relations
  3. Lk003.13-80
    Wns Number
    LK003.13
    Country / Post
    Sri Lanka
    Date of Issue
    February 18, 2013
    Subject
    RISGO Centennial - 2013 - International Scout Jamboree
  4. Lk004.13-80
    Wns Number
    LK004.13
    Country / Post
    Sri Lanka
    Date of Issue
    March 18, 2013
    Subject
    Inauguration of Mattala Rajapaksa International Airport
  5. Lk005.13-80
    Wns Number
    LK005.13
    Country / Post
    Sri Lanka
    Date of Issue
    April 05, 2013
    Subject
    Drukpa Pada Yatra
  6. Lk006.13-80
    Wns Number
    LK006.13
    Country / Post
    Sri Lanka
    Date of Issue
    May 05, 2013
    Subject
    Dharmasoka College - Centenary
  7. Lk007.13-80
    Wns Number
    LK007.13
    Country / Post
    Sri Lanka
    Date of Issue
    May 18, 2013
    Subject
    Vesak
  8. Lk008.13-80
    Wns Number
    LK008.13
    Country / Post
    Sri Lanka
    Date of Issue
    May 18, 2013
    Subject
    Vesak
  9. Lk009.13-80
    Wns Number
    LK009.13
    Country / Post
    Sri Lanka
    Date of Issue
    May 18, 2013
    Subject
    Vesak
  10. Lk010.13-80
    Wns Number
    LK010.13
    Country / Post
    Sri Lanka
    Date of Issue
    May 18, 2013
    Subject
    Vesak