★ Apparently the second known example ★

BITHYNIA. Tium. Pseudo-autonomous issue . Diassarion (Bronze, 22 mm, 7.87 g, 7 h), time of the Antonines, 138-192. TЄIOC Youthful head of the eponymous hero Teios to right, wearing tainia. Rev. TIANΩN Poseidon, nude, standing right, left foot set on prow, holding dolphin in his right hand and trident with his left. RPC IV online 7990 (1 specimen). Extremely rare, apparently the second known example. Slightly rough , otherwise, very fine.

From the Ktistes Collection.