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 2007

The 2007 issuing programme is not available.
  1. Lk021.07-80
    Wns Number
    LK021.07
    Country / Post
    Sri Lanka
    Date of Issue
    June 17, 2007
    Subject
    Matale Sri Sangamitta Balika Maha Vidyalaya
  2. Lk022.07-80
    Wns Number
    LK022.07
    Country / Post
    Sri Lanka
    Date of Issue
    June 26, 2007
    Subject
    Sri Lanka Japan Friendship Society
  3. Lk023.07-80
    Wns Number
    LK023.07
    Country / Post
    Sri Lanka
    Date of Issue
    July 03, 2007
    Subject
    Ceylon Baithulmal Fund
  4. Lk024.07-80
    Wns Number
    LK024.07
    Country / Post
    Sri Lanka
    Date of Issue
    July 16, 2007
    Subject
    Prisons Day
  5. Lk025.07-80
    Wns Number
    LK025.07
    Country / Post
    Sri Lanka
    Date of Issue
    July 27, 2007
    Subject
    K/Jabbar Central College - Galagedara
  6. Lk026.07-80
    Wns Number
    LK026.07
    Country / Post
    Sri Lanka
    Date of Issue
    August 22, 2007
    Subject
    First Sri Lankan Buddhist Mission to Germany
  7. Lk027.07-80
    Wns Number
    LK027.07
    Country / Post
    Sri Lanka
    Date of Issue
    September 01, 2007
    Subject
    Sri Lanka - Nepal Diplomatic Relations
  8. Lk028.07-80
    Wns Number
    LK028.07
    Country / Post
    Sri Lanka
    Date of Issue
    September 09, 2007
    Subject
    The Shrine of Our Lady of Matara Centenary
  9. Lk029.07-80
    Wns Number
    LK029.07
    Country / Post
    Sri Lanka
    Date of Issue
    September 27, 2007
    Subject
    World Tourism Day
  10. Lk030.07-80
    Wns Number
    LK030.07
    Country / Post
    Sri Lanka
    Date of Issue
    October 06, 2007
    Subject
    Lions Club International - Sri Lanka