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.

PY010.05

Country / Post Paraguay
Date of Issue 27 July 2005
Primary theme Literature, Press and Comics (Writers)
Subject Mercosur 2005 - Classic Writers - Gabriel Casaccia (1907-1980)
Width 35.0 mm
Height 45.0 mm
Denomination 3000 PYG
Number in set 2 (show set)
Layout/Format sheet of 25
Perforations 13.5 by 13.5
Stamp issuing authority Correo Paraguayo
Printer Fiscal Assets Department - Asunción