Watch List notes:

SICILY. Katane. Circa 430-415/3 BC. Litra (Silver, 12.5 mm, 0.72 g, 8 h). Head of Silenos to left, bearded, and with with his balding head adorned with an ivy wreath. Rev. ΚΑΤΑΝ - ΑΙΩΝ Winged thunderbolt between two round shields. Boehringer, Kataneische Probleme, Li 6. SNG Lloyd 912. A lovely piece, struck on a broad flan and of fine style. With a dark patina as found. About extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.