ISLANDS off ATTICA. Aegina. "Proto-tortoise." Circa 550-530/25 BC. AR Obol (9mm, 0.75 gm). Turtle with large segmented shell, head in profile / Incuse square of five segments. Holloway, "An Archaic Hoard from Crete and the Early Aeginetan Coinage,"
ANSMN 17 (1971), Group C; Milbank -; Dewing -; BMC Attica -; SNG Copenhagen -; Rosen -; Klein -. EF. Extremely rare denomination.