Watch List notes:

PHILISTIA (PALESTINE). Uncertain mint. Mid 5th century-333 BC. Obol (Silver, 9 mm, 0.60 g, 6 h). Bearded male head to right. Rev. Facing gorgoneion within round incuse. Gitler & Tal XVI.16O. HGC 10, 612. Very rare. A darkly toned and unusually attractive example. Minor deposits, otherwise, good very fine.