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.

EE012.09

Country / Post Estonia
Date of Issue 5 June 2009
Primary theme National symbols (Flags)
Subject 125th Anniversary of Estonian National Flag
Width 32.0 mm
Height 27.0 mm
Denomination 9.00 EEK
Number in set 1
Layout/Format self adhesive sheet of 10
Perforations 11 by 11
Stamp issuing authority Estonian Post
Printer AS VABA MAA Tallinn
Connect to the web shop of the issuing stamp authority