Reign of Tiberius (14-37), M. Antonius Polemo, high priest (28-38). AE Octochalkon, dated year 10, Olba, Cilicia Tracheia. D/ Head of Polemo right. R/ Thunderbolt. RPC I 3736 or 3737. AE. g. 11.31 mm. 24.00 RRR. Very rare; only two specimens listed in RPC. Beautiful olive green patina. VF.