Arabia Felix. Saba’. Mid-fourth-second century BC. AR quarter unit (12mm, 1.08g). Head of Athena r., wearing Attic helmet; on cheek, Sabaean letter X / Owl standing r., head facing; to l. South Arabian monogram; to r., Almaqah symbol and South Arabian monogram. Munro-Hay 1.4ciii; Huth -.