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 SE022.16

  1. Se020.16-80
    Wns Number
    SE020.16
    Country / Post
    Sweden
    Date of Issue
    March 17, 2016
    Subject
    Royal Anniversaries
  2. Se021.16-80
    Wns Number
    SE021.16
    Country / Post
    Sweden
    Date of Issue
    March 17, 2016
    Subject
    Royal Anniversaries
  3. Se022.16-80
    Wns Number
    SE022.16
    Country / Post
    Sweden
    Date of Issue
    March 17, 2016
    Subject
    Royal Anniversaries