Greek
KINGS OF BITHYNIA, Prusias I (238-183 BC)
AE Bronze (27.6mm, 11.1g)
Obv: Laureate head of Apollo left. countermarks: Artemis in circle incus
Rev: BAΣIΛEΩΣ ΠΡΟYΣIOY./ Helmeted Athena-Nike standing left, holding wreath and shield; Control: monogram.
SNG von Aulock 248.