Watch List notes:

PHILISTIA (PALESTINE), Gaza ('Azah). Mid 5th century-333 BC. AR Obol (8mm, 0.39 g, 12h). Helmeted head of Athena right, with profile eye / Owl standing right, head facing; [olive sprig] and crescent behind, Marnas symbol before; all within incuse square. Gitler & Tal V.21O; HGC 10, 557. VF, toned. The diameter and types are those of the obol, but the weight is more appropriate for a hemiobol.