Watch List notes:

CALABRIA. Tarentum. Circa 380-325 BC. Diobol (Silver, 12 mm, 1.15 g, 8 h). Head of Athena to right, wearing Attic helmet adorned with Skylla. Rev. Herakles kneeling to right, fighting the Nemean lion; above to right, A; behind, [club]. HN III 912. Vlasto 1314-21. Clear and attractive. Obverse slightly off-centered, otherwise, about extremely fine.
From a collection formed in the Ticino prior to 2000.