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.

LI033.08

Country / Post Liechtenstein
Date of Issue 17 November 2008
Primary theme Engineering
Subject Technical Innovations from Liechtenstein III - Neutrik audio plug connectors
Width 32.5 mm
Height 32.5 mm
Denomination 1.20 CHF
Number in set 3 (show set)
Layout/Format sheet of 20
Perforations 14 by 14
Stamp issuing authority Liechtensteinische Post AG
Printer L'imprimerie d'Etat autrichienne
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