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.

CL009.16

Country / Post Chile
Date of Issue 7 December 2016
Primary theme Telecommunications
Subject Telecommunications - 50th anniversary of Radio Bío-Bío - Radio waves
Width 30.0 mm
Height 48.0 mm
Denomination 500 CLP
Number in set 2 (show set)
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Empresa de Correos de Chile
Printer Casa de Moneda de Chile
Connect to the web shop of the issuing stamp authority