Watch List notes:

Greek Italy. Southern Lucania, Thurium. AR Diobol, c. 4th century BC. D/ Head of Athena right, wearing helmet decorated with Scylla. R/ ΘOYPIΩN. Bull butting right; above, NI; in exergue, fish (?). HN Italy-; SNG Cop-; SNG ANS -. AR. g. 0.56 mm. 12.00 RR. Very rare, unlisted in the standard references. Good metal. Well centred on a broad flan, brilliant and superb. Lightly toned. About EF.