Watch List notes:

ISLANDS off ATTICA, Aegina. Circa 525-480 BC. AR Hemistater – Drachm (13mm, 5.87 g). Sea turtle, head in profile, with thin collar and [row of dots down its back] / Incuse square with mill-sail pattern. Meadows, Aegina, Group IIb; Milbank –; HGC 6, 441. Deeply toned, light granularity, some old marks under tone. Near VF. Rare denomination.

From the Dr. Robert Misbin Collection, purchased from Empire Coins, ca. 1991.