Thrace, Apollonia Pontika (450-400 BC) AR Drachm. Gorgoneion / Anchor & Crayfish Mint Period: 450-400 BC Denomination: AR Drachm City: Apollonia Pontica (Thrace) Reference: SNG BM-153, Sear-1655.Diameter: 17mm Material: Silver Weight: 2.88 m Obverse: Facing head of Medusa (gorgoneion) with protruding tongue, surrounded by a curled snakes. Reverse: Anchor with a crayfish in left ...