THRACE. Mesambria. AR Tetradrachm (16.17 gms), ca. 175-125 B.C. NGC Ch EF, Strike: 4/5 Surface: 2/5. Die Shift, Brushed. HGC-3.2, 1568; Pr-1047. Struck in the name and types of Alexander III (the Great) of Macedon. Obverse: Head of Herakles right, wearing lion skin; Reverse: Zeus seated left on throne, holding eagle and scepter; in inner left field, helmet above monogram; monogram below throne.