Watch List notes:

ISLANDS OFF ATTICA, Aegina. Circa 350-338 BC. Obol (Silver, 11 mm, 0.86 g, 8 h). A-I Tortoise. Rev. Incuse square with thin skew device, Δ-Ι in the two upper compartments. HGC 6, 452. Milbank pl. III, 9. Rare. Very fine.