Caracalla, AE20 of Rhesaena, Mesopotamia. AD 197-217. A K M ANTWNINOC, laureate, draped and cuirassed bust right. HCA-I-NHCIW, female river god reclining left, holding reed, left arm resting on an urn, two fish below. G in left field. Castelin 19; Lindgren II 2613; Righetti Coll. 978 With permission of Münzen & Medaillen (DE) GmbH auction 20, Lot 978, (Righetti Coll. Sale, Part 8), Oct. 2006.