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 2012

The 2012 issuing programme is not available.
  1. Lk011.12-80
    Wns Number
    LK011.12
    Country / Post
    Sri Lanka
    Date of Issue
    March 10, 2012
    Subject
    Guardstone at Rathanaprasadaya, Anuradhapura
  2. Lk012.12-80
    Wns Number
    LK012.12
    Country / Post
    Sri Lanka
    Date of Issue
    March 10, 2012
    Subject
    Peony Flower
  3. Lk013.12-80
    Wns Number
    LK013.12
    Country / Post
    Sri Lanka
    Date of Issue
    March 20, 2012
    Subject
    Sustainable Energy for All
  4. Lk014.12-80
    Wns Number
    LK014.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 01, 2012
    Subject
    50th Anniversary of the Asian Pacific Postal Union
  5. Lk015.12-80
    Wns Number
    LK015.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 10, 2012
    Subject
    Sinhala - Hindu New Year 2012
  6. Lk016.12-80
    Wns Number
    LK016.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 10, 2012
    Subject
    Sinhala - Hindu New Year 2012
  7. Lk017.12-80
    Wns Number
    LK017.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 10, 2012
    Subject
    Sinhala - Hindu New Year 2012
  8. Lk018.12-80
    Wns Number
    LK018.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 10, 2012
    Subject
    Sinhala - Hindu New Year 2012
  9. Lk019.12-80
    Wns Number
    LK019.12
    Country / Post
    Sri Lanka
    Date of Issue
    April 30, 2012
    Subject
    50th Anniversary of Ceylon Petroleum Corporation
  10. Lk020.12-80
    Wns Number
    LK020.12
    Country / Post
    Sri Lanka
    Date of Issue
    May 03, 2012
    Subject
    2600 - Sambuddhatva Jayanti