Attica, Aegina. Stater; Attica, Aegina; c. 456/45-431 BC, Stater, 12.17g. Milbank-12, Sear-2600. Obv: Land tortoise, with segmented shell, on which are two round countermarks, one showing a goddess' head l., while the other is blank. Rx: Incuse square of skew pattern, divided by straight lines into five compartments. Ex Berk 84, 19 January 1995, lot 260.. VF