Ptolemy I Soter, as Satrap, AR Tetradrachm. Obverse die signed by the artist D. Alexandria mint, struck in the name of Alexander III of Macedon, circa 310-305 BC. Diademed head of Alexander right, in elephant's skin headdress; small D to right of elephant's ear / ALEXANDROU, Athena Alkidemos advancing right, brandishing spear in right hand, holding shield on left arm; helmet, monogram, and eagle on thunderbolt to right. BMC 27, SNGCop 19.