BITHYNIA, Claudiopolis (as Bithynium). Antoninus Pius. AD 138-161. Æ (19mm, 4.03 g, 8h). Bare head right / Aesculapius standing facing, head left, leaning upon serpent-entwined staff. RG –; SNG von Aulock –; SNG Copenhagen –. VF, brown patina with touches of green and red. Rare.