Watch List notes:

IONIA, Phokaia. Circa 387-326 BC. EL Hekte – Sixth Stater (11mm, 2.53 g). Head of Athena left, wearing crested Corinthian helmet decorated with a seal / Quadripartite incuse square. Triton XVIII, lot 627 (same dies); CNG 93, lot 391; Roma XI, lot 328; otherwise unpublished (but cf. Bodenstedt Em. 111 for a similar type with serpent on helmet and seal below). Good VF, a few light marks. Well centered. Extremely rare, only the fourth known example.