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 LU009.03

  1. Lu009.03-80
    Wns Number
    LU009.03
    Country / Post
    Luxembourg
    Date of Issue
    May 20, 2003
    Subject
    EUROPA Series 2003 - Poster Art in the 20's (August Trémont)
  2. Lu010.03-80
    Wns Number
    LU010.03
    Country / Post
    Luxembourg
    Date of Issue
    May 20, 2003
    Subject
    EUROPA Series 2003 - Poster Art in the 50's (Roger Gerson)