THRACE. Byzantion. Ae (3rd century BC). Alliance issue with Kalchedon.
Obv: Veiled head of Demeter right, wearing grain wreath; c/m: Monogram within incuse rectangle.
Rev: BYZANT / KAΛXAΔ.
Poseidon seated right on rocks, holding aphlaston and trident; monogram to inner right.
SNG BM Black Sea 83; HGC 3.2, 1428.
Condition: Very fine.
Weight: 9.00 g.
Diameter: 26 mm.