Seleukid Kingdom, Antiochos I AE 20. Tarsos mint. 278 BC. Obv: Helmeted head of Athena right Rev: BASILEWS ANTIOCOU above and helow the two pilei of the Dioscuri resting on horizontal club. SNG Spaer 226f; SC 332.1 Contributed by Ars-Aeterna / David Suter, Switzerland, July 2009