Watch List notes:

Lucania, Diobol, Poseidonia, c. 445-420 BC, Ag (g 1,18; mm 11; h 3), ΠOΣ (retr.), Poseidon advancing r., wearing chlamys and holding trident, Rv. ΠOΣ (retr.), bull advancing within circular incuse. HNItaly 1119; SNG Copenhagen 1300-1301; SNG ANS 701.
Rare, cabinet tone, very fine.