Watch List notes:

ISLANDS off ATTICA, Aegina. Circa 550-530/25 BC. AR Stater (18.5mm, 12.13 g). "Proto-tortoise" with shell divided into thirteen segments / Incuse square of "Union Jack" pattern. Holloway, Archaic, Group C, obv. die 9; Meadows, Aegina, Group Ib; Asyut Group V, 512 (same obv. die); HGC 6, 427; SNG Lockett 2635 = Pozzi 1632 (same obv. die); Selinus Hoard 123-4 (same obv. die). Toned. VF. Rare.

From the William H. Birkinshaw Collection. Ex Classical Numismatic Group 57 (4 April 2001), lot 345.