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.

BG028.08

Country / Post Bulgaria
Date of Issue 30 July 2008
Primary theme Literature, Press and Comics (Calligraphy)
Politics & Government (Law)
Subject 20 years of Diplomatic Relations between Bulgaria and EEC
Width 30.0 mm
Height 54.0 mm
Denomination 1.00 BGL
Number in set 1
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics