Thrace, Lysimachus, 305-281 BC. Tetradrachm; Thrace, Lysimachus, 305-281 BC; Sardes, c. 297/6-287 BC, Tetradrachm, 17.07g. Thompson-86. Obv: Head of Alexander the Great with horn of Ammon r. Rx: Athena enthroned l.; monogram in circle in outer l. field; monogram in exergue.. EF