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.

BG001.15

Country / Post Bulgaria
Date of Issue 12 January 2015
Primary theme Politics & Government
Theatre & Cinema
Subject Cultural Anniversaries - 100th Anniversary of Peter Ouvaliev
Width 50.0 mm
Height 25.0 mm
Denomination 0.65 BGN
Number in set 1
Layout/Format sheet of 40
Perforations 13 by 13
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics