Watch List notes:

THRACE. Selymbria. Circa 492/0-473/0 BC. Octobol (Silver, 15 mm, 4.79 g). ΣA Rooster standing left. Rev. Quadripartite incuse square. Schönert-Geiss, Bisanthe 6. SNG Copenhagen 789. Rare. Somewhat porous, otherwise, very fine.