Watch List notes:

Thrace, Byzantion in alliance with Kalchedon Æ 26mm. 3rd century BC. Veiled head of Demeter to right / Poseidon seated to right, holding aphlaston and trident; ΒΥΞΑNT to right, ΚΑΛΧΑ to left. HGC 3.2, 1428.9.86g, 26mm, 12h.

Extremely Fine; rough surfaces.