Watch List notes:

ISLANDS off ATTICA, Aegina. Circa 480-457 BC. AR Stater (19.5mm, 12.27 g, 2h). Sea turtle, head in profile, with 'T-back' design on shell / Large square incuse with skew pattern. Meadows, Aegina, Group IIIa; HGC 6, 435. Fine, toned, banker's mark on obverse.

From the George Bernert Collection.