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.

BG007.15

Country / Post Bulgaria
Date of Issue 27 March 2015
Primary theme Economy & Industry (Economic Aid)
Military
Subject 100th Anniversary of the Disabled Soldiers Union
Width 25.0 mm
Height 40.0 mm
Denomination 0.65 BGN
Number in set 1
Layout/Format sheet of 50
Perforations 13 by 13.25
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics