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.

BO006.12

Country / Post Bolivia
Date of Issue 5 May 2012
Primary theme Minerology & Geology (Mining)
Subject Work and Crafts - Miners
Width 43.0 mm
Height 32.0 mm
Denomination 3.00 BOB
Number in set 4 (show set)
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Empresa de Correos de Bolivia
Printer Industrias Lara Bisch SA