Thrace, Islands off, Thasos. Circa 435-411 BC. AR Hemiobol (0.41 gm). Obv: Two dolphins, one above the other, swimming in opposite directions, two pellets below Rev: Quadripartite incuse square. BMC 217, 22 (Thrace), Moushmov 5647 Contributed by Dane for George Clegg (biggyg2), August, 2008.