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.

AR052.09

Country / Post Argentina
Date of Issue 12 December 2009
Primary theme Architecture (Classical)
Subject Architecture - Historical Heritage-endowed Mansions - Duhau Mansion 1934
Width 44.0 mm
Height 34.0 mm
Denomination 1.00 ARS
Number in set 8 (show set)
Layout/Format sheet of 16 of 4 designs
Perforations 14 by 14
Stamp issuing authority Correo Oficial de la Republica Argentina SA
Printer Letra Viva SA, Buenos Aires
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