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 XH002.04

  1. Xh001.04-80
    Wns Number
    XH001.04
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    February 05, 2004
    Subject
    200 Years from the first Serbian Rebellion
  2. Xh002.04-80
    Wns Number
    XH002.04
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    February 05, 2004
    Subject
    200 Years from the first Serbian Rebellion