Silver tetradrachm, 27mm, 16.71gm, issued c. 270-225 BC Chios mint.
Obv: Head of Herakles right wearing lion skin.
Rev: AΛEΞANΔPOY, Zeus enthroned left holding eagle and sceptre, sphinx and monogram to left, A under throne.
References: see Sear 6713, HGC 1132, Price 2334.
Toned, scarce.