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.

BG001.08

Country / Post Bulgaria
Date of Issue 6 January 2008
Primary theme History (History of Peoples)
Literature, Press and Comics (Writers)
Subject 160th Anniversary of birth of Hristo Botev
Width 50.0 mm
Height 25.0 mm
Denomination 0.55 BGL
Number in set 1
Layout/Format sheet
Perforations 13 by 13
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics