From EAGLE MediaWiki
Corpus Inscriptionum Latinarum; , VI, 37110 (+p. 4818) 
Base for statue (subject unstated), that preserves two earlier dedications, re-erected by Petronius Maximus, prefect of the City. Rome, Forum. 421-439. 
No aliases defined. [add]
Petronius Maximus, of clarissimus rank, twice prefect of the City, took care [of this].
Wikipedia pages linked to this item