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.

CO019.17

Country / Post Colombia
Date of Issue 26 May 2017
Primary theme Literature, Press and Comics (Writers)
Subject 150th Anniversary of Birth of Julio Flórez (1867-2017)
Width 60.0 mm
Height 30.0 mm
Denomination 1000 COP
Number in set 1
Layout/Format sheet of 9
Perforations 13.5 by 13.5
Stamp issuing authority Servicios Postales Nacionales SA
Printer Cartor Security Printing