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.

EC006.12

Country / Post Ecuador
Date of Issue 20 April 2012
Primary theme Transportation (Ships & Navigation) (Ships)
Subject Centenary of the tragedy RMS Titanic
Width 37.5 mm
Height 28.5 mm
Denomination 4.00 USD
Number in set 2 (show set)
Layout/Format miniature sheet of 1
Perforations 14 by 14
Stamp issuing authority Correos del Ecuador CDE EP
Printer Instituto Geográfico Militar