didrachm/nomos/stater of Tarentum, 344-340 BC ca.

Obv. horseman (warrior), helmeted, holding large round shield and spear on his far side, horse galloping or prancing, T turned counter clockwise
Rev. dolphin-rider (Taras), sitting aside, holding one-handled vase, P below, TARAS

Vlasto -             7.97 g       nv JEAN ELSEN sa, Auction 58 (1999) no. 786
Fischer-Bossert 674 (V257/R523)

1st specimen
2nd specimen

See die-coupling didrachms (Fischer-Bossert 629-692)