Watch List notes:

ISLANDS OFF IONIA, Samos. Circa 396-393 BC. Obol (Silver, 10 mm, 0.61 g, 9 h). Lion's mask facing. Rev. ΣΑ Forepart of a legless bull to right. Barron p. 213, obols, 1-2 (but different dies). Very rare. Well-centered, sharply struck and nicely toned. Some minor deposits, otherwise, extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, ex Münzen und Medaillen FPL 373, November/December 1975, 80.