The altar has a hole in the middle, which pierces the marble completely. At the front the opening is surrounded by a wreath of oak-leaves with flying ribbons. An inscription over it (No. 220).
CIL XIV 4310
M. Lollianus / Callinicus pater / aram deo / do(num) de(dit).
Callinicus: compare Nos.
The Mithraeum of the House of Diana was installed in two Antonine halls, northeast corner of the House of Diana, in the late 2nd or early 3rd century.
The image of the god Arimanius to which this monument refers has not yet been found.
This marble slab found near the Casa de Diana in Ostia bears two inscription with several names of brothers of a same community
This graffito seems to be an account of offerings made by Mithras worshippers in the Cassegiato di Diana