This plaque from Carsulae, in Umbria, refers to the creation of a leonteum erected by the lions at their own expense.
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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…
A mithraeum – also known as a speleum, antrum or crypta – is an ideally underground and not excessively large building that represents the universe as a whole.