THRACE. Byzantion. Ae (3rd century BC). Alliance issue with Kalchedon.

Obv: Veiled head of Demeter right, wearing grain wreath.
Rev: BYZANT / KAΛXAΔO.
Poseidon seated right on rocks, holding aphlaston and trident.

SNG BM Black Sea 82-3 var. (legend and controls); HGC 3.2, 1428.

Condition: Very fine.

Weight: 10.12 g.
Diameter: 25 mm.