Thrace, Byzantium with Chalchedon Bronze III century BC, Æ 25.00 mm., 10.10 g.
Veiled head of Demeter r. Rev. Poseidon seated r., holding aphlaston and trident; monogram in inner r. field. Schönert-Geiss 1271-5. SNG BM Black Sea 83 var. (legends)

Very fine

In addition, winning bids of UK (England, Scotland, Wales & Northern Ireland) clients for this coin are subject to a 5% fee on hammer price as a reimbursement for import duty paid to HMRC.