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.

BA004.02

Country / Post Bosnia and Herzegovina - BH Post
Date of Issue 15 April 2002
Primary theme Environment & Conservation
Subject Earth Day
Width 35.0 mm
Height 35.0 mm
Denomination 2.00 BAM
Number in set 1
Layout/Format sheet of 10
Perforations 13.7 by 13.8
Stamp issuing authority Entreprise Publique La Poste de BH
Printer Bundesdruckerei
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