THRACE. Byzantion. Ae (3rd century BC). Alliance issue with Kalchedon.
Obv: Veiled head of Demeter right, wearing grain wreath.
Rev: BYZANT / KAΛXA.
Poseidon seated right on rocks, holding aphlaston and trident.
SNG BM Black Sea 82-3 var. (controls on rev.); HGC 3.2, 1428.
Condition: Very fine.
Weight: 7.48 g.
Diameter: 23 mm.