Watch List notes:

Calabria, Tarentum, AR didrachm, "boy on dolphin," 235-228 BC, mounted dolphin-side out in 14K gold pendant with fixed bail. 9.72 grams total. Taras astride dolphin left / Helmeted nude warrior on horse prancing right. XF coin on a very round planchet, in a custom, flat-sided bezel with three prongs.

Estimate: $500 - $750