Watch List notes:

LUCANIA. Sybaris. Circa 510-475 BC. Triobol (Silver, 10.5 mm, 1.14 g, 3 h). Bull standing to right, head turned back to left. Rev. Amphora (incuse). HN III 1741. Kraay, SM 52, 1958, p. 99 C and fig. 4 = Weber 1013. Boldly attractive and nicely toned. Some roughness, otherwise, about extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.

This coin was minted at some after the capture of the city by Kroton in 510/509 but before the revolt of 476/5.