Nerva, AR tetradrachm of Alexandria, Egypt. 25mm. Year 1. Obv: (from top right) AVT NEROVAC KAIS CEB, laureate head right. Rev: Agathodaemon serpent coiled with head right, holding caduceus and grain ear within coils. Date LA in exergue. Milne 542-544 VF. Scarce. With kind permission of www.edgarlowen.com, Oct. 2011. Item 8060.