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.


Country / Post Portugal
Date of Issue 12 January 2012
Primary theme Military (Military equipment)
Military (Military uniforms)
Subject 175 Years of Escola do Exercito
Width 30.6 mm
Height 40.0 mm
Denomination 2.50 €
Number in set 3 (show set)
Layout/Format miniature sheet of 1
Perforations 13 by 13
Stamp issuing authority CTT Correios de Portugal SA
Printer Cartor Security Printing
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