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.

Stamps issued with TO027.02

  1. To027.02-80
    Wns Number
    TO027.02
    Country / Post
    Tonga
    Date of Issue
    November 27, 2002
    Subject
    Red Shining Parrot or Koki
  2. To028.02-80
    Wns Number
    TO028.02
    Country / Post
    Tonga
    Date of Issue
    November 27, 2002
    Subject
    Red Shining Parrot or Koki
  3. To029.02-80
    Wns Number
    TO029.02
    Country / Post
    Tonga
    Date of Issue
    November 27, 2002
    Subject
    Red Shining Parrot or Koki
  4. To030.02-80
    Wns Number
    TO030.02
    Country / Post
    Tonga
    Date of Issue
    November 27, 2002
    Subject
    Red Shining Parrot or Koki