Watch List notes:

Italy. Northern Lucania, Posidonia. AR Diobol, c. 445-420 BC. Obv. ΠOΣ. Poseidon advancing right, wielding trident; behind, olive leaf and berry. Rev. Bull standing left within incuse circle; in exergue, barley grain. HN Italy 1119. SNG ANS 700. AR. g. 1.14 mm. 12.00 Nicely toned. A little porous, otherwise good VF.