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 LV008.11

  1. Lv007.11-80
    Wns Number
    LV007.11
    Country / Post
    Latvia
    Date of Issue
    May 05, 2011
    Subject
    Struves Geodetic Arc
  2. Lv008.11-80
    Wns Number
    LV008.11
    Country / Post
    Latvia
    Date of Issue
    May 05, 2011
    Subject
    Struves Geodetic Arc