ISLANDS off IONIA, Chios. Circa 490-435 BC. AR Didrachm – Stater (15mm, 7.90 g). Sphinx seated left; amphora to left; all on convex surface / Quadripartite incuse square. Mavrogordato 22; HGC 6, 1119. Trace deposits, a little off center on obverse. Near VF.