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 BW001.07

  1. Bw001.07-80
    Wns Number
    BW001.07
    Country / Post
    Botswana
    Date of Issue
    March 31, 2007
    Subject
    Kingfishers of Botswana - Pied Kingfisher
  2. Bw002.07-80
    Wns Number
    BW002.07
    Country / Post
    Botswana
    Date of Issue
    March 31, 2007
    Subject
    Kingfishers of Botswana - Malachite Kingfisher
  3. Bw003.07-80
    Wns Number
    BW003.07
    Country / Post
    Botswana
    Date of Issue
    March 31, 2007
    Subject
    Kingfishers of Botswana - Woodland Kingfisher
  4. Bw004.07-80
    Wns Number
    BW004.07
    Country / Post
    Botswana
    Date of Issue
    March 31, 2007
    Subject
    Kingfishers of Botswana - Brown-hooded Kingfisher