The Mithraeum of the Seven Spheres is of great importance for the understanding of the cult, because of its black-and-white mosaics depicting the planets, the zodiac and related elements.
The altar of the Mithraeum of San Clemente bears the Tauroctony on the front, Cautes and Cautopates on the right and left sides and a serpent on the back.
This high stele by a certain Acilius Pisonianus bears an inscription commemorating the restoration of a Mithraeum in Mediolanum, today's Milan.
TNMM650 – CIMRM 706
D(eo) S(oli) i(nvicto) M(ithrae) / P(ublius) Acil(ius) Piso/nianus pater / patratus qui / hoc speleum / vi{i} ignis ab/sumtum com/parata area a re-/publ(ica) Mediol(anensi) / pecunia sua / restituit.
This simple relief of Mithras killing the bull without his companions Cautes and Cautopates was found in the so-called Mithraeum of the Esquilino, Rome.
This plaque from Carsulae, in Umbria, refers to the creation of a leonteum erected by the lions at their own expense.
TNMM483
Leonteum cum signo et cetero cultu exornatum / ex permissu sanctissimi ordinis ex pec(unia) sua / a solo fecerunt leones, consummati ab Egnatio Re/parato sacerdote legit(imo) et collatore, T(itus) Lep…