Thyateira Lydia Ae : Bust of Artemis Boreitene / Poseidon

Thyateira Lydia Ae : Time of Gordian III (238-244 AD) ; Homonoia with Smyrna

Obv: BOPEI-THNH; Draped bust of Artemis Boreitene left

Rev: OYATE CMYP OMONOIA; Poseidon standing right holding trident in left hand and dolphin in his right, foot resting on prow

Some overall graininess to the surfaces but much detail remains. I have found two examples online, with one of them being this coin. 21mm, 4.5gms