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.

PT106.17

Country / Post Portugal
Date of Issue 8 September 2017
Primary theme Architecture (Classical)
Transportation (Ships & Navigation) (Lighthouses)
Subject Cascais European Youth Capital 2018 - Santa Marta Lighthouse & Santa Maria House
Width 80.0 mm
Height 30.6 mm
Denomination 1.40 €
Number in set 5 (show set)
Layout/Format miniature sheet of 1
Perforations 13 by 13
Stamp issuing authority CTT Correios de Portugal SA
Printer bpost
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