"A morion is a type of open helmet originally from the Kingdom of Castile (Spain), used from the beginning 16th to early 17th centuries, usually having ...
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a flat brim and a crest from front to back. Its introduction was contemporaneous with the exploration of North, Central and South America. Explorers such as Hernando de Soto and Coronado may have supplied them to their foot soldiers in the 1540s." - (en.wikipedia.org 30.09.2019)