A lion-headed figure, dressed only in a loincloth, holds a key in his left hand and a fire shovel in his right. A snake ascends from his right leg and coils around his abdomen, on whose chest is a face.
The relief of Mithras slaying the bull from Nida's Mithraeum III was found in two pieces in 1887, destroyed during an air raid on Frankfurt in 1944, and restored in 1986.