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.

BO012.09

Country / Post Bolivia
Date of Issue 19 August 2009
Primary theme Education (Schools)
Subject Educational Unit Enrique Lindemann - B
Width 43.0 mm
Height 32.0 mm
Denomination 3.50 BOB
Number in set 1
Layout/Format sheet of 100
Perforations 13.5 by 13.5
Stamp issuing authority Empresa de Correos de Bolivia
Printer Industrias Lara Bisch SA