Antoninus Pius, AE19 of Nicaea, Bithynia, AD 138-161. 4.35 g. AYT KAICAR ANTWNINOC, bare head right. NIKAIEWN, Hygieia standing right, feeding serpent in arms. RecGen 95; SNG Cop 474; Mionnet Supp. V, 464. With permission of Agora Auctions auction 91, Lot 54, Sept. 2019.