Selos de Portugal 2016 450ème anniversaire de la publication des Petri Nonii Salaciensis Opera Pedro Nunes used astronomy

https://www.delcampe.net/fr/collections/timbres/sciences/astronomie/portugal-2016-450eme-anniversaire-de-la-publication-des-petri-nonii-salaciensis-opera-pedro-nunes-used-astronomy-933140956.html

Country / Post	Portugal
Date of Issue	30 August 2016
Primary theme	Architecture (Classical)
Subject	450th Anniversary of the Publication of the Petri Nonii Salaciensis Opera
Width	30.6 mm
Height	40.0 mm
Denomination	1.00 €
Number in set	2
Layout/Format	sheet of 50
Perforations	13 by 13
Stamp issuing authority	CTT Correios de Portugal SA
Printer	bpost