Watch List notes:

LUCANIA. Sybaris III. 453-448 BC. Diobol (Silver, 10 mm, 0.86 g, 6 h). Bull standing to right, on groundline; border of dots. Rev. VM Two annulets; all within a rayed border in a shallow circular incuse. Apparently unpublished save for its auction appearance. Extremely rare. With an attractive dark patina as found. About extremely fine.
From the Dr. Paul Peter Urone Collection, ex Numismatica Ars Classica N, 26 June 2003, 1065.