Watch List notes:

IONIA, Phokaia. Circa 521-478 BC. AR Obol (9mm, 0.55 g). Female head left, wearing helmet or close fitting cap / Quadripartite incuse square. Cf. SNG Kayhan 522-6; cf. SNG Copenhagen (vol. 7) 389-94 (Uncertain coins of Greece and Asia Minor); cf. SNG von Aulock 1813-5; cf. Klein 452-3; cf. Traité 531 (all diobols). VF, porous surfaces.