Caracalla AE31 of Side, Pamphylia. AD 198-217. 19.33 g.

AY K M A CEOYH ANTWNINOC, laureate, draped and cuirassed bust right.
CIDHTWN, Serapis standing left by altar, holding sceptre and raising right hand

Lindgren 1164.

With permission of Savoca Numismatik auction 124 Silver, Lot 317,  Jan 2022