Silver tetradrachm, 28mm, 17.07gm, issued 297-281 BC Sestos mint.
Obv: Head of Alexander right wearing diadem and horns of Ammon, dotted border.
Rev: BAΣIΛEΩΣ ΛYΣIMAXOY, Athena enthroned left holding Nike, leaning on shield, spear behind.
References: see Sear 6814, HGC 750.
Lifetime issue.