According to Hitzinger remnants of animal bones were found in front of the relief of the Mithraeum at Rozanec.
TNMM37 – CIMRM 1481
D(eo) i(nvicto) M(ithrae) / d(omino) P(ublius) P(ublii) Aelii Nepos et / Proculus et Firminus / pro salute sua suorumque.