Pontos, Amisos, AR drachm-siglos, (Silver, 16,8 mm, 4,79 g), late 5th-4th century BC, Persic standard, strusk under magi

Pontos, Amisos, AR drachm-siglos, (Silver, 16,8 mm, 4,79 g), late 5th-4th century BC, Persic standard, strusk under magistrate.
Obv: Draped bust of Tyche-Hera left, wearing ornamented stephane. Rev: ΣΩ - XA - H in fields, [ΠEIPA] below, owl standing facing on shield, wings spread.
Ref: SNG Copenhagen 121 var, SNG London 1053-4 var.