THRACE. Byzantion. Ae (2nd century BC). Alliance issue with Kalchedon.
Obv: Helmeted head of Athena right.
Rev: BYZAN / KAΛXA.
Bull standing left on grain ear left.
SNG BM Black Sea -; HGC 3.2, 1431; CNG E-392, lot 88 (which realized a hammer of $525).
Condition: Very fine, some roughness.
Weight: 4.64 g.
Diameter: 19 mm.