The relief of Mithras slaying the bull from Nida's Mithraeum III was found in two pieces in 1887, destroyed during an air raid on Frankfurt in 1944, and restored in 1986.
This terra sigillata was found in 1926 in a grave on the Roman cemetery of St. Matthias, Trier. An eyelet indicates that it could have been hung on a wall.
The discovery of the Mithraeum of Tarquinia is due to the Department for Protection of Cultural Heritage of the Carabinieri, who noticed some clandestine excavations near the Ara della Regina.