Watch List notes:

IONIA. Uncertain mint. Circa 550-500 BC. Obol (Silver, 9.5 mm, 1.01 g). Head of a calf to left, with his neck truncation marked off by a band of pellets between two lines. Rev. Quadripartite incuse square. Cf. Nomos 24, 2022, 195, otherwise unpublished. Very rare. Well centered and struck, and lightly toned. Nearly extremely fine.