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 Estonia
Date of Issue 3 January 2011
Primary theme Post & Philately
Subject Definitive - Posthorn
Width 24.0 mm
Height 24.0 mm
Denomination 0.50 €
Number in set 5 (show set)
Layout/Format self adhesive sheet of 25
Perforations 12.5 by 12.5
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
Connect to the web shop of the issuing stamp authority