Caria, Island of Kos (366-300 BC), Tetradrachm, 14.9 gms., bearded head of Herakles left, wearing lion skin, rev. crab in dotted square, ethnic above, club and name of magistrate in exergue (BMC 10 ff., same magistrate as that of Didrachm BMC 15, Boston 2017 ff.), good very fine, well centered