Tauroctony from Dormagen

Relief in limestone (H.0.51 Br. 0.57 D.0.16). Bonn, Rheinisches Landesmuseum. Mithras as a bullkiller in the usual attitude and dress. His l. arm from the elbow is missing. The bull is represented and its tail ends in three corn-ears. The background is rocky; the dog leaps up against the bull; the serpent creeps over the ground; the scorpion is in the usual place. In the r. upper corner Luna. The face of Mithras, the bust of Sol and the raven are lost.The bottom rim bears an inscription:

Lajard, Pl. LXXXI; Stark, o.c., Pl. I; Dorow, l.c.; MMM II 387 and fig. 299; Hettner, Katalog, No. 70; Koepp, Germ. Rom…