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 LV009.02

  1. Lv008.02-80
    Wns Number
    LV008.02
    Country / Post
    Latvia
    Date of Issue
    May 25, 2002
    Subject
    Protected plants of Latvia - Cypripedium calceolus
  2. Lv009.02-80
    Wns Number
    LV009.02
    Country / Post
    Latvia
    Date of Issue
    May 25, 2002
    Subject
    Protected plants of Latvia - Trapa natans