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 2 January 2002
Primary theme Economy & Industry (Banking & Currency)
Subject Taxa a cobrar
Width 30.0 mm
Height 28.0 mm
Denomination 0.25 €
Number in set 7 (show set)
Layout/Format sheet
Perforations 11.9 by 11.6
Stamp issuing authority CTT Correios de Portugal SA
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