P O http://iconclass.org/11H%28CONSTANTINE%2934

the battle of the Milvian bridge (Saxa Rubra): St. Constantine on horseback confronts Maxentius; a cross appears in the sky with in fiery letters 'in hoc signo vinces' (the raised standards of the Roman soldiers carry a cross or the chi-rho monogram)

a type of skos:Concept

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