Severus Alexander, AE42 of Thyateira, Lydia. AD 222-235. 
Magistrate L. Mar. Pollianos. 33.10 g.
AYT K M AYR CE ALEXANDROC, laureate, draped and cuirassed bust right.
EPI CTR L MAR PWLLIANOY QYATEIRHNWN, river-god Lykos 
reclining left, crescent on shoulders, leaning with left 
elbow on a rock, holding urn in right hand, humped bull 
standing right before him, tree in background.

Prowe III 1569; SNG von Aulock 3235.
Image (reverse only) from the Prowe III catalogue.