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.

BR055.18

Country / Post Brazil
Date of Issue 11 December 2018
Primary theme Science & Technology (Famous scientists)
Subject Brazilian Scientists - Cesar Lattes and Johanna Döbereiner - Cesar Lattes
Width 43.0 mm
Height 25.5 mm
Denomination 1.85 BRL
Number in set 2 (show set)
Layout/Format miniature sheet of 24 of 2 designs
Perforations 12 by 12
Stamp issuing authority Empresa Brasileira de Correios e Telegrafos
Printer Casa da Moeda do Brasil
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