Watch List notes:

MACEDON. Skione. Circa 470-421 BC. Obol (Silver, 8 mm, 0.42 g, 6 h). Head of youthful Protesilaos to right, wearing tainia. Rev. ΣΚ-Ι/Ω Bunch of grapes; all within shallow incuse square. McClean 3170. Skioni 91a (E68/O65, this coin). Very attractively toned, of good style and in hight relief. Extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, and from the collection of A. Ghertsos, ex Münzen und Medaillen FPL 527, November-December 1989, 40.