Macedonian Kingdom. Demetrios I Poliorketes. 306-283 B.C. AE unit (14.4 mm, 2.5 g). Uncertain mint (possibly in Caria), 306-283 B.C. Head of Athena right in crested Corinthian helmet / B A, prow right; above, BA; to right, labrys to right1, below, AP ligate.