Watch List notes:

Lucania, Thurium, Diobol, ca. 443-400 BC; AR (g 1,16; mm 12; h 9); Head of Athena r., wearing crested and lauretae Attic helmet; in upper r., B, Rv. ΘOYPI, bull butting l.; in ex. fish l. HN Italy 1758;
Rare. Toned; extremely fine.