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 SE044.12

  1. Se044.12-80
    Wns Number
    SE044.12
    Country / Post
    Sweden
    Date of Issue
    August 16, 2012
    Subject
    Write!
  2. Se045.12-80
    Wns Number
    SE045.12
    Country / Post
    Sweden
    Date of Issue
    August 16, 2012
    Subject
    Write!
  3. Se046.12-80
    Wns Number
    SE046.12
    Country / Post
    Sweden
    Date of Issue
    August 16, 2012
    Subject
    Write!
  4. Se047.12-80
    Wns Number
    SE047.12
    Country / Post
    Sweden
    Date of Issue
    August 16, 2012
    Subject
    Write!