Watch List notes:

ISLANDS OFF ATTICA, Aegina. Circa 350-338 BC. Obol (Silver, 10.5 mm, 0.96 g). A-I Tortoise with segmented shell. Rev. Incuse square with thin skew device, N-Ι in the two upper compartments. HGC 4, -. Milbank Period VII, Type b, pl. III, 9 (same dies). Sharply struck and very attractively toned. Extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, and from the collections of C. S. Bement, Naville VII, 23 June 1924, 1149, and Arthur Headlam, Sotheby Wilkinson & Hodge 8 May 1916, 356 (part), who bought it personally at the sale of the F.S. Benson collection, Sotheby, Wilkinson & Hodge, 3 February 1909, 541 (part).