Hola,
Byzantion in Thracia, 11 BC.-12 AD., Rhoemetalces I., Æ 18,
Æ (17-18 mm / 5,17 g),
Obv.: BAΣΙΛEΩΣ POIMETAΛKOY, diademed head of Rhoemetalces I. right.
Rev.: KAIΣAPOΣ ΣEBAΣTOY, bare head of Augustus right.
RPC 1718 ; BMC 7-9 ; Jurukova, Ancient Thraciens 194 .
:D