The relief of Dieburg shows Mithras riding a horse as main figure, surrounded by several scenes of the myth.
TNMM231 – CIMRM 1247
[Side A:] D(eo) i(nvicto) M(ithrae) / Silves/trius / Silvi/nius et Silvestrius Pe[rpetus et A]urelius nepos / v(otum) s(olverunt) l(ibentes) l(aeti) m(erito). /
Perpetus fra/te[r] artis sutor(iae). …
[Side A:] To the invincible god Mithras, Silvestrius Silvinus, Silvestrius Perpetus and Silvinius Aurelius.
[Side B:] To the invincible god Mithras, Silvestrius Silvinus, Silvestrius Perpetus and [Silvinus?] Aurelius, their nephew, fulfilled their vow willingly, gladly and deservedly. Perpetus, brother, a cobbler by trade, and Silvinus, a sculptor by trade, Aurelius [---] gave this as a gift.