Watch List notes:

Ionia, uncertain mint AR Tetartemorion. 5th century BC. Corinthian helmet to left / Quadripartite incuse square. Nomos obolos 22, 370; cf. Rosen 109 (Skione; obol); cf. SNG Kayhan 743 (obol). 0.25g, 6mm.

Good Very Fine.

From a private European collection.