Physical description

Silver coin of Ptolemy I Soter. Obverse: head of Alexander the Great, right facing, with the hor of Zeus Ammon, clad in an elephant skin and aegis (and lion's scalp ?). Reverse: Zeus Aetophpros seated left facing, on a backless throne, his left hand resting on a sceptre, holding eagle in his right hand. There is a small loop at the top centre.