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.

BG002.18

Country / Post Bulgaria
Date of Issue 23 February 2018
Primary theme Holy Days & Celebrations (Chinese New Year)
Subject Chinese New Year - Year of the Yellow Dog
Width 43.0 mm
Height 32.0 mm
Denomination 0.65 BGN
Number in set 1
Layout/Format miniature sheet of 1
Perforations 13 by 13
Stamp issuing authority Bulgaria Posts PLC
Printer Bulgarian Philately and Numismatics