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.

ET007.10

Country / Post Ethiopia
Date of Issue 6 August 2010
Primary theme Literature, Press and Comics (Writers)
Subject Ethiopian Writers - Dr Haddis Alemayehu
Width 33.0 mm
Height 40.0 mm
Denomination 1.00 ETB
Number in set 4 (show set)
Layout/Format sheet
Perforations 14 by 14
Stamp issuing authority Ethiopian Postal Service
Printer Österreichische Staatsdruckerei