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.

PY005.17

Country / Post Paraguay
Date of Issue 28 March 2017
Primary theme Fauna (Butterflies)
Subject Cactuses and Wild Butterflies of Paraguay - Agraulis vanillae
Width 45.0 mm
Height 35.0 mm
Denomination 1000 PYG
Number in set 6 (show set)
Layout/Format miniature sheet of 6 of 6 designs
Perforations 13.5 by 13.5
Stamp issuing authority Correo Paraguayo
Printer Talleres de Valores Fiscales del Ministerio de Hacienda