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.

BG003.08

Country / Post Bulgaria
Date of Issue 30 January 2008
Primary theme Fauna (Penguins)
Geography & Meteorology (Artic and Antarctica)
Subject International Polar Year & 20th Anniversary of Bulgarian Antarctic Expedition
Width 38.5 mm
Height 30.0 mm
Denomination 1.00 BGL
Number in set 2 (show set)
Layout/Format miniature sheet of 2 of 2 designs
Perforations 13 by 13
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics