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. Lk061.07-80
    Wns Number
    LK061.07
    Country / Post
    Sri Lanka
    Date of Issue
    November 23, 2007
    Subject
    State Emblem
  2. Lk062.07-80
    Wns Number
    LK062.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 03, 2007
    Subject
    Muthiah Muralidaran
  3. Lk063.07-80
    Wns Number
    LK063.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 09, 2007
    Subject
    St Mary's Church - Maggona
  4. Lk064.07-80
    Wns Number
    LK064.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 09, 2007
    Subject
    International Children's Broadcasting Day 2007
  5. Lk065.07-80
    Wns Number
    LK065.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 09, 2007
    Subject
    International Children's Broadcasting Day 2007
  6. Lk066.07-80
    Wns Number
    LK066.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 09, 2007
    Subject
    International Children's Broadcasting Day 2007
  7. Lk067.07-80
    Wns Number
    LK067.07
    Country / Post
    Sri Lanka
    Date of Issue
    December 10, 2007
    Subject
    International Anti-Corruption Day