Aegina, Aegina Stater circa 550-500, AR 17.00 mm., 11.94 g.
Sea-turtle shell. Rev. Irregular incuse square, divided into four triangular compartments. SNG Delepierre 1501. Milbank, "The Coinage of Aegina", NNM 24, 1925, pl. 1, 2.. Meadows IIa.

Toned, countermark on obverse, Good Fine.