Watch List notes:

Greek Italy. Southern Lucania, Sybaris. AR Obol, c. 530-510 BC. D/ Bull standing left, head right; in exergue, VM. R/ Ram's head right. HN Italy-. Demeester 11= NAC 82,75. AR. g. 0.30 RRRR. Excessively rare. Lightly toned. VF.

Apparently only the third known example: see NAC 82, lot 75 and Roma Numismatics XIII, lot 45.