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Corpus Inscriptionum Latinarum; , VI, 1157=40840 
Base for statue of Constans, emperor; erected by a prefect of the watch. Rome. 333-337. 
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To our lord Flavius Iulius Constans, most noble and most powerful Caesar. Rupilus Pisonianus, of clarissimus rank, prefect of the watch ( praefectus vigilum ), devoted to his divine spirit and majesty, [set this up].
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