P O http://iconclass.org/11H%28CONSTANTINE%29

the Roman emperor Constantine the Great; possible attributes: crown, sceptre, standard (labarum) with chi-rho monogram or cross

a type of skos:Concept

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S P O skos:related
S P O skos:inScheme
S P O skos:notation
S P O skos:prefLabel
S P O skos:narrower
S P O skos:broader