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The donor of this Mithraic inscription from Bolsena, a certain Tiberius Claudius Thermoron, is known from two other monuments.
This unusual bronze bust of Sabazios features multiple symbolic elements, with Mithras depicted in his characteristic pose of slaying the bull, positioned just below Sabazios’ chest.
The Mithraeum of Visentium, near Capodimonte in Viterbo, was carved grotto-style into a tuff cliff overlooking the waters of Lake Bolsena, just a few dozen metres away.