Watch List notes:

Ar 9 0bols. Thrace. Byzantion. C, 240-220 BC. Antipater, magistrate. Obv; Veiled and wreathed head of Demeter right. Rev; Poseidon seated right on rocks, holding trident and aphlaston; monogram to right, EPI ANTIPAT[ROU] below. Schönert-Geiss, Byzantion 1031. Frosty bright surfaces. 5.02g. Fine

Estimate: 50-100 GBP