Portugal 2018 Roteiro Pré Histórico Prehistoric Route Calcolithic Parcours préhistorique Calcolithique Prähistorisch

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Country / Post	Portugal
Date of Issue	2 October 2018
Primary theme	History (Archeology)
Subject	Prehistoric Route - 1st Series - Calcolithic
Width	40.0 mm
Height	30.6 mm
Denomination	0.86 €
Number in set	4
Layout/Format	sheet of 50
Perforations	12.25 by 12
Stamp issuing authority	CTT Correios de Portugal SA
Printer	Imprensa Nacional Casa da Moeda