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 Austria
Date of Issue 1 January 2012
Primary theme Architecture (Classical)
Subject 200th Anniversary of the Gesellschaft der Musikfreunde in Vienna
Width 38.0 mm
Height 38.0 mm
Denomination 0.90 €
Number in set 1
Layout/Format sheet of 1
Perforations 14 by 14
Stamp issuing authority Osterreich Post AG
Printer Österreichische Staatsdruckerei GmbH
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