THRACE. Byzantion. Late 3rd-2nd centuries BC. AE (Bronze, 24 mm, 10.58 g, 12 h), alliance issue with Kalchedon in Bithynia. Veiled head of Demeter to right, wearing wreath of grain ears. Rev. ΒΥZANTI - KAΛΧΑΔ Poseidon seated right on rock, holding aphlaston in his right hand and trident in his left; in inner right field, ΔA. HGC 3.2, 1428. Schönert-Geiss 1257-62. SNG BM Black Sea 82. Some deposits, otherwise, very fine.

Ex Leu Web Auction 18, 19-21 December 2021, 218, and previously from a European collection, formed before 2005.