Watch List notes:

IONIA. Uncertain. Circa 650-600 BC. 1/24th Stater (Electrum, 5.5 mm, 0.60 g). Striated surface. Rev. Square incuse punch. Linzalone 1039-1040. SNG Kayhan 682. Traité I 14-5. Cf. Weidauer 9 (hemihekte or 1/12th). Extremely rare. One of the earliest coins ever struck. Minor marks, otherwise, extremely fine.

From an American collection, formed beginning in the 1960s.