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.

EE016.11

Country / Post Estonia
Date of Issue 6 May 2011
Primary theme Science & Technology (Famous scientists)
Geography & Meteorology (Maps & Cartography)
Subject The Struve Geodetic Arc
Width 32.0 mm
Height 27.5 mm
Denomination 0.58 €
Number in set 2 (show set)
Layout/Format miniature sheet of 2 of 2 designs
Perforations 14 by 13.75
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
Connect to the web shop of the issuing stamp authority