Philip III was named Arridaeus at birth but assumed the name of his father Philip II when he ascended the throne after the death of his half brother Alexander the Great.
Alexander loved his brother Arridaeus and took him on his campaigns both to protect his life and to prevent his use as a pawn in any prospective challenge to the throne.
He rule was during constant power struggle between him and the generals that served Alexander known as the Diadochi.
Eventually Olympias, Alexander’s mother and Philip III’s step mother would have him executed and his wife Eurydice forced to commit suicide. Paving the way for her infant grandson Alexander IV to be the lawful successor of his father the great Alexander.
He would strike coins in the likeness of his father Philip II and his brother Alexander III to keep commercial business moving. This was a way to show the Kingdom of his legitimacy to the throne.
Obverse- Head of Alexander the Great as Hercules right, wearing lion-skin headdress.
Revere- Zeus seated left holding Eagle and scepter.