Thrace, kingdom of. Lysimachos 323-281 B.C. AR Tetradrachm. 16.81g. Amastaris mint 297-282 B.C. Defied head of Alexander the Great right, wearing horn of Ammon. Rx: Athena seated left wearing Corinthian war helmet, holding Nike and resting on shield. Muller-460. High relief, Ch VF.