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.

MX078.05

Country / Post Mexico
Date of Issue 20 December 2005
Primary theme Holy Days & Celebrations (Christmas & Easter)
Subject Christmas 2005
Width 40.0 mm
Height 24.0 mm
Denomination 7.50 MXN
Number in set 2 (show set)
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Servicio Postal Mexicano
Printer Talleres de Impresion de Estampillas y Valores