Croton.
Croton. Nomos circa 530-500, AR 7.22 g. [koppa]PO retrograde Tripod, legs ending in lion paws, with three handles and two snake heads emerging from the bowl and two others from outer legs of the tripod; in r. field, crab. Rev. Same type incuse. McClean 1647. SNG Lewis 247. Gillet 286 (this coin). Historia Numorum Italy 2078.
Light iridescent tone and good very fine

From the Charles Gillet collection and an Exceptional Collection assembled between the early 70s and late 90s.