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.

MX034.09

Country / Post Mexico
Date of Issue 5 October 2009
Primary theme Architecture (Classical)
Education
Subject 150th Anniversary of the Literacy and Scientific Institute
Width 72.0 mm
Height 30.0 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