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.

BO051.06

Country / Post Bolivia
Date of Issue 11 December 2006
Primary theme Fauna (Birds - General)
Subject Birds of the District of Santa Cruz - Pavichi cresta azul - Horned Curassow
Width 31.5 mm
Height 42.5 mm
Denomination 3.50 BOB
Number in set 2 (show set)
Layout/Format sheet
Perforations 14 by 14
Stamp issuing authority Empresa de Correos de Bolivia
Printer