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.

EE021.06

Country / Post Estonia
Date of Issue 22 May 2006
Primary theme Architecture (Classical)
Architecture (Modern)
Subject My Stamp - Tallinn
Width 34.0 mm
Height 33.0 mm
Denomination 4.40 EEK
Number in set 1
Layout/Format self adhesive sheet of 18
Perforations 10 by 10
Stamp issuing authority Estonian Post
Printer Österreichische Staatsdruckerei
Connect to the web shop of the issuing stamp authority