This is the name given by the PLRE, RE, OCD and RIC, citing an inscription recorded in Rossi, Inscriptiones christianae Urbis Romae I, p. 344. Ersch & Gruber's Allgemeine Encyklopädie der Wissenschaften und Künste reports that "Marcus Maecilius" and "Flavius Maecilius" are found on Avitus' coins, while "Flavius Eparchius" appears in inscriptions (vol. Appellation – Arzilla, pp. 505–508, Winterhalder [1820]). RE (vol. II,2, col. 2395) notes that one such coin, bearing the inscription M. MAECIL. AVITHUS (sic), Eckhel, Doctrina Numorum Veterum viii. 193, was authenticated only by Banduri, and perhaps suspect. J. B. Bury in his History of the Later Roman Empire from the Death of Theodosius I to the Death of Justinian (1923) suggested "Marcus Maecilius Flavius Eparchius Avitus".
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This is the name given by the PLRE, RE, OCD and RIC, citing an inscription recorded in Rossi, Inscriptiones christianae Urbis Romae I, p. 344. Ersch & Gruber's Allgemeine Encyklopädie der Wissenschaften und Künste reports that "Marcus Maecilius" and "Flavius Maecilius" are found on Avitus' coins, while "Flavius Eparchius" appears in inscriptions (vol. Appellation – Arzilla, pp. 505–508, Winterhalder [1820]). RE (vol. II,2, col. 2395) notes that one such coin, bearing the inscription M. MAECIL. AVITHUS (sic), Eckhel, Doctrina Numorum Veterum viii. 193, was authenticated only by Banduri, and perhaps suspect. J. B. Bury in his History of the Later Roman Empire from the Death of Theodosius I to the Death of Justinian (1923) suggested "Marcus Maecilius Flavius Eparchius Avitus".