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Corpus Inscriptionum Latinarum; , VI, 2151 
Base for statue of Iunius Postumianus, priest. Rome. Late third-fourth century. 
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To Iunius Postumianus, of clarissimus rank, father of the fathers of the Sun god Mithras, member of the board of fifteen men for sacred affairs, priest of the Sun god. The college of priests ( ordo sacerdotum ) [set this up] to its master, and Flavius Herculeus, most scrupulous man, took care and dedicated it.
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