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.

RU093.16

Country / Post Russian Federation
Date of Issue 22 September 2016
Primary theme Nobel Prize winners
Subject 100th Anniversary of Birth of A.M. Prokhorov (1916-2002) physicist, Nobel Prize laureate
Width 32.5 mm
Height 32.5 mm
Denomination 21.50 RUB
Number in set 1
Layout/Format sheet
Perforations 11 by 11
Stamp issuing authority MARKA Publishing & Trading Centre
Printer
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