Islands off Thrace, Thasos. Circa 500-480 BC. AR Obol (9,7 mm. 0,50 g). Two dolphins swimming in opposite directions, pellets around. Rev. Quadripartite incuse square. Le Rider, Thasiennes 9; HGC 6, 337; BMC 18-22. Very well centered with very clear image of both dolphins, perfectly visible details (eyes, fins and tails). Good Very Fine.