Silver tetradrachm, 30mm, 16.19gm, issued 287-282 BC Pergamon mint.
Obv: Diademed head of Alexander the Great wearing horns of Ammon right, K below bust.
Rev: BAΣIΛEΩΣ ΛYΣIMAXOY, Athena enthroned left holding Nike, resting arm on shield.
References: see Sear 6816, HGC 1750m.
