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.

MX026.11

Country / Post Mexico
Date of Issue 24 August 2011
Primary theme Tourism (Tourism promotion)
Subject 2011 Year of Tourism in Mexico
Width 40.0 mm
Height 48.0 mm
Denomination 11.50 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