Marcus Aurelius, AE18. of Calchedon, Bithynia. 2.8 g. AD 161-180. AYT K ANTWNI, bare head right. KAL-XADO, ithyphallic herm left on low base. Unpublished. Naumann 62, 422; Steiglitz MAL807. With permission of Naumann 62, lot 422, Feb. 2018.