3rd and 2nd-century BC king of Cappadocia
Coin of Ariarathes IV. Obv: head of Ariarathes diademed. Rev: Athens standing holding Nike, legend BΑΣΙΛΕΩΣ ΑΡΙΑΡΑΘΟΥ EYΣΕΒΟΥΣ.
Ariarathes IV, surnamed Eusebes, "the Pious", (Ancient Greek: Ἀριαράθης Εὐσεβής, Ariaráthēs Eusebḗs), was the king of Cappadocia in 220–163 BC.