KINGS of MACEDON. Antigonos I Monophthalmos. As Strategos of Asia, 320-306/5 BC, or king, 306/5-301 BC. AR Drachm (17mm, 4.3 g). In the name and types of Alexander III. Kolophon mint. Struck circa 310-301 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; N in left field, B below throne.