South Arabia. Kingdom of Saba’. Circa 3rd-2nd centuries BC. AR quarter unit (10mm, 1.17g). Head of Athena r., wearing Attic helmet; on cheek, X (mark of value) / Owl standing r., head facing; to l., olive spray and crescent; to r., monogram (possibly Munro-Hay monogram 73?). Cf. Munro-Hay 1.4iii. Possibly unpublished with this monogram.