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.


Country / Post Japan
Date of Issue 3 March 2011
Primary theme Mankind (Children)
Literature, Press and Comics (Writers)
Subject Greetings - Peter Rabbit
Width 27.0 mm
Height 33.0 mm
Denomination 50 JPY
Number in set 20 (show set)
Layout/Format self adhesive miniature sheet of 10 of 10 designs
Perforations 14 by 14
Stamp issuing authority Postal Administration of Japan
Printer Toppan Printing Company