Antoninus Pius, AE18 of Nicaea, Bithynia. AD 138-161. 4.24g. AYT KAICAR ANTWNINOC, bare head right. NIKAIEWN, serpent-entwined altar. RecGen 100 corr. ("two serpents") citing Santangelo Portici Coll. 7790; RecGen 102 corr (legend and bust type - legend confused by an overstrike); Paris 845. With permission of Naville Numismatics auction 28, lot 189, Jan 2017.