Watch List notes:

Attica, Athens AR Obol. Circa 485/0 BC. Head of Athena to right, wearing crested Attic helmet / Owl standing to right, head facing; olive leaf to left, AΘE to right; all within incuse square. Seltman Group E, δ; Boston MFA 1042; Brand III 76 = Leu 72, 207; Pozzi 1537; HGC 4, 1659. 0.54g, 8mm, 12h.

Good Fine. Very Rare.

From the inventory of a UK dealer.