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.


Country / Post Colombia
Date of Issue 27 April 2017
Primary theme Transportation (Rail) (Locomotive & trains)
History (Geographical history)
Subject Départements de Colombie - César - Ardea alba
Width 30.0 mm
Height 40.0 mm
Denomination 100 COP
Number in set 12 (show set)
Layout/Format miniature sheet of 12 of 12 designs
Perforations 13.5 by 13.5
Stamp issuing authority Servicios Postales Nacionales SA
Printer Cartor Security Printing