Marble inscribed slab recording the dedication of a Mithraeum and an antrum to Mithras for the safety and victories of Septimius Severus and his family, found in Rome.
Large marble slab found in 1648 near S. Silvestro in Capite, inscribed with a Latin dedicatory poem forming a cypher-acrostic for TAMESIUS and AUGENTIUS, with records of leontica and chrysos initiations, dated to 362 A.D.
Inscription recording the transmission of the leontica grade by Nonius Victor Olympius and Aurelius Victor Augentius at the Mithraeum of Piazza S. Silvestro in Capite, dated to 359 and 358 A.D.
Inscription CIL VI 750 recording the transmission of the Persica and Heliaca grades by Nonius Victor Olympius and Aurelius Victor Augentius at the Mithraeum of Piazza S. Silvestro in Capite, dated to 358 A.D.
Franz Cumont kindly drew our attention on several ancient fragments, walled in the wall of the flight of steps in the house at the Via Boncompagni 101 (boarding- house Cosmopolita).