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 BA009.09

  1. Ba009.09-80
    Wns Number
    BA009.09
    Country / Post
    Bosnia and Herzegovina - BH Post
    Date of Issue
    September 10, 2009
    Subject
    World Athletics Championships Berlin 2009
  2. Ba010.09-80
    Wns Number
    BA010.09
    Country / Post
    Bosnia and Herzegovina - BH Post
    Date of Issue
    September 10, 2009
    Subject
    World Athletics Championships Berlin 2009