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.

BM001.18

Country / Post Bermuda
Date of Issue 22 March 2018
Primary theme Fauna (Reptiles)
Subject 50th Anniversary of Bermuda Turtle Project - Green Turtle
Width 35.0 mm
Height 35.0 mm
Denomination 0.50 BMD
Number in set 6 (show set)
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Bermuda Post Office
Printer Cartor Security Printing