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 SE029.11

  1. Se029.11-80
    Wns Number
    SE029.11
    Country / Post
    Sweden
    Date of Issue
    May 06, 2011
    Subject
    World Heritage Site - Struve Geodesic Arc
  2. Se030.11-80
    Wns Number
    SE030.11
    Country / Post
    Sweden
    Date of Issue
    May 06, 2011
    Subject
    World Heritage Site - Struve Geodesic Arc