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.

MX036.09

Country / Post Mexico
Date of Issue 12 October 2009
Primary theme Religions & beliefs (Christianity)
Architecture (Classical)
Subject 300th Anniversary of the Foundation Chihuahua
Width 48.0 mm
Height 40.0 mm
Denomination 6.50 MXN
Number in set 1
Layout/Format sheet
Perforations 13 by 13
Stamp issuing authority Servicio Postal Mexicano
Printer Talleres de Impresion de Estampillas y Valores