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. Lk021.13-80
    Wns Number
    LK021.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 01, 2013
    Subject
    World Children's Day 2013 - Children's Stories "Umbrella Thief"
  2. Lk022.13-80
    Wns Number
    LK022.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 01, 2013
    Subject
    World Children's Day 2013 - Children's Stories "Umbrella Thief"
  3. Lk023.13-80
    Wns Number
    LK023.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 01, 2013
    Subject
    World Children's Day 2013 - Children's Stories "Umbrella Thief"
  4. Lk024.13-80
    Wns Number
    LK024.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 09, 2013
    Subject
    World Post Day
  5. Lk025.13-80
    Wns Number
    LK025.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 09, 2013
    Subject
    Personalised Stamps - Third Series
  6. Lk026.13-80
    Wns Number
    LK026.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 09, 2013
    Subject
    Personalised Stamps - Third Series
  7. Lk027.13-80
    Wns Number
    LK027.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 27, 2013
    Subject
    Colombo-Katunayake Expressway
  8. Lk028.13-80
    Wns Number
    LK028.13
    Country / Post
    Sri Lanka
    Date of Issue
    October 30, 2013
    Subject
    Deshabandu Alec Robertson
  9. Lk029.13-80
    Wns Number
    LK029.13
    Country / Post
    Sri Lanka
    Date of Issue
    November 01, 2013
    Subject
    Dr Premasiri Khemadasa
  10. Lk030.13-80
    Wns Number
    LK030.13
    Country / Post
    Sri Lanka
    Date of Issue
    November 06, 2013
    Subject
    Centenary of Excise Department