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.

All registered stamps issued by Bosnia and Herzegovina - Republic of Srpska in 2011

The 2011 issuing programme is not available.
  1. Xh031.11-80
    Wns Number
    XH031.11
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    November 30, 2011
    Subject
    Person of the Year in Republic of Srpska 2011 - Novak Djokovic
  2. Xh034.11-80
    Wns Number
    XH034.11
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    December 10, 2011
    Subject
    50 Years of Nobel Prize award to Ivo Andric
  3. Xh032.11-80
    Wns Number
    XH032.11
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    December 14, 2011
    Subject
    100th Anniversary of the Conquering of the South Pole - Roald Amundsen
  4. Xh033.11-80
    Wns Number
    XH033.11
    Country / Post
    Bosnia and Herzegovina - Republic of Srpska
    Date of Issue
    December 14, 2011
    Subject
    100th Anniversary of the Conquering of the South Pole - Roald Amundsen

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