Alexander The Great AR Drachm. 336–323 BC.
Head of young Herakles right wearing the skin of the Nemean lion, within dotted border / ΑΛΕΞΑΝΔΡΟΥ, Zeus enthroned left, holding scepter and eagle, monogram in left field and under throne.
The Lion Skin is from the Nemeaen Lion killed by Herakles with his bare hands.
VF. Based on position of legs I believe this to be a lifetime issue minted ca. 325-323 BC.
A very important coin and one of nice quality. High relief on thick flan.
It would make a wonderful addition to your ancient coin collection.