Watch List notes:

ISLANDS off ATTICA, Aegina. Circa 456/45-431 BC. AR Hemiobol (8mm, 0.35 g, 2h). Land tortoise with segmented shell / Large square incuse with heavy skew pattern. Milbank –; HGC 6, 454. Dark toning, minor porosity. VF. Struck on a broad flan. Very rare denomination for issue.

From the Matthew Curtis Collection.