Workman digging in a field near Dormagen found a vault. Against one of the walls were found two monuments related to Mithras.
TNMM91
Deo Soli i(nvicto) M(ithrae) p(ro) s(alute) i(mperatoris) Suran l(ibertus) dupl(icarius) ale Noricorum ci(vis) Trax v(otum) s(olvit) l(ibens) m(erito).