Watch List notes:

Islands off Thrace, Thasos. Ca. 500-480 B.C. AR obol (9.53 mm, .48 g). Two dolphins swimming in opposite directions, the one over the other / Quadripartite incuse square. cf. Le Rider, Thasiennes, 9 (pellet); cf. SNG Copenhagen 1020 (same); HGC 6, 337. Good VF. 

This example appears to not have any pellets