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 BA003.06

  1. Ba003.06-80
    Wns Number
    BA003.06
    Country / Post
    Bosnia and Herzegovina - BH Post
    Date of Issue
    March 10, 2006
    Subject
    Tourism & Eco-tourism 2006 - Trnovo-Treskavica
  2. Ba004.06-80
    Wns Number
    BA004.06
    Country / Post
    Bosnia and Herzegovina - BH Post
    Date of Issue
    March 10, 2006
    Subject
    Tourism & Eco-tourism 2006 - Gorazde