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 11 January 2006
Primary theme Architecture (Classical)
National symbols (Flags)
Subject Estonian National flag flying from Pikk Hermann Tower
Width 23.5 mm
Height 23.5 mm
Denomination 11.00 EEK
Number in set 1
Layout/Format self adhesive sheet of 25
Perforations 12.3 by 12.3
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
Connect to the web shop of the issuing stamp authority