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.

AT003.12

Country / Post Austria
Date of Issue 10 January 2012
Primary theme Engineering (Bridges)
Transportation (Rail)
Subject 210th Anniversary of the Birth of Karl Ritter
Width 42.0 mm
Height 34.8 mm
Denomination 0.70 €
Number in set 1
Layout/Format sheet of 10
Perforations 14 by 14
Stamp issuing authority Osterreich Post AG
Printer Österreichische Staatsdruckerei GmbH
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