Watch List notes:

PHILISTIA (PALESTINE), Uncertain mint. Mid 5th century-333 BC. AR Didrachm (15.5mm, 6.77 g, 12h). Bearded head of male right / Owl standing right, head facing; [olive spray] and crescent to left; all within incuse square. Unpublished in the standard references. Toned, crude strike, porosity. Fine. Extremely rare.