Watch List notes:

Lucania, Sybaris. Ca. 450 B.C. AR diobol (10 mm, 0.77 g). ΣVB (retrograde), bull standing right / Two pelleted Os (=obol) each with central pellet. Unpublished in the standard references, but see Gorny & Mosch 208 (2012), lot 1057 for another example. Toned with a few minor edge chips. Very fine. Extremely rare.

See also NAC N (2003), lot 1065, for a similar piece with the ethnic on the reverse rather than obverse.