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 BO017.06

  1. Bo017.06-80
    Wns Number
    BO017.06
    Country / Post
    Bolivia
    Date of Issue
    September 21, 2006
    Subject
    Flag of Bolivia
  2. Bo018.06-80
    Wns Number
    BO018.06
    Country / Post
    Bolivia
    Date of Issue
    September 21, 2006
    Subject
    Flag of Bolivia
  3. Bo019.06-80
    Wns Number
    BO019.06
    Country / Post
    Bolivia
    Date of Issue
    September 21, 2006
    Subject
    Flag of Bolivia