Watch List notes:

ISLANDS OFF THRACE, Thasos. Circa 435-411 BC. Obol (Silver, 7 mm, 0.21 g). Two dolphins above one another, swimming in opposite directions; pellet above and below. Rev. Quadripartite incuse square. HGC 337. Le Rider, Thasiennes 9. Sharply struck, high relief and very pleasant in hand. Extremely fine.