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 Ethiopia
Date of Issue 26 August 2014
Primary theme Minerology & Geology (Mountains & Geological features)
Subject Dallol - Erta Ale
Width 40.0 mm
Height 30.0 mm
Denomination 0.45 ETB
Number in set 6 (show set)
Layout/Format sheet
Perforations 13 by 13
Stamp issuing authority Ethiopian Postal Service
Printer Österreichische Staatsdruckerei