This is one of the three reliefs of Mithras as a bullkiller from the Villa Borghese collection that belong to the Louvre museum, now in the Louvre Abu Dhabi.
This stone altar found in Poreč was dedicated by two freedmen to the numen and majesty of the emperors Philip the Arab and Otacilia Severa.
TNMM660 – CIMRM 754
D(eo) S(oli) i(nvicto) M(ithrae) / pro salute et / victoria s(acratissimorum) d(ominorum) n(ostrorum) / Philipporum Aug(ustorum) / et Otaciliae Severe Aug(ustae) / Charitinus I(ibertus) s(ub)proc(urat…
The roman castrum was built in the 2nd century BC. During the reign of Emperor Augustus in the 1st century BC, it officially became a city and was part of the Roman colony of Colonia Iulia Parentium.
This monument, now lost, was discovered in the 16th century, probably on the site of Sublavio statio.
TNMM658 – CIMRM 730
D(eo) i(nvicto) M(ithrae) / et Soli soci/o sac(rum) Valen/tinus Se/cund[i]on[i]s / ob memor(iam) / patris sui / ex colleg(a) / v(otum) s(olvit) l(ibens) m(erito).