Marcus Aurelius AE28 of Prusias ad Hypium, Bithynia. AD 161-180. AYT KAI ARMEN AYR ANTWNINOC, laureate, draped bust right. PROYCIEWN YPIOC, river-god Hypios reclining left on rock, holding branch and cornucopiae. BMC 2; Imhoof FG 233; RecGen 30. Image courtesy of the British Museum.