Watch List notes:

GREEK COINS
Islands off Thrace

Thasos. Circa 500-480 BC. Obol (Silver, 9mm, 0.51 g). Two dolphins above one another, swimming in opposite directions; pellet above and below. Rev. Quadripartite incuse square. Le Rider, Thasiennes 9. HGC 6, 337. Nearly extremely fine.

From a European collection, formed before 2005.