Watch List notes:

IONIA, Kolophon. Circa 530/25-500 BC. AR Obol (6.5mm, 0.82 g). Persic standard. Archaic head of Apollo left / Incuse square punch. Kim & Kroll p. 73; SNG Kayhan 1308. VF, toned, some porosity. Rare denomination.

From the Ealing Collection, purchased from Spink, August 1998.