Watch List notes:

ARABIA, Southern. Saba'. 3rd-2nd centuries BC. Half Unit (Silver, 11 mm, 1.66 g, 6 h), imitating Athens. Head of Athena to right, wearing crested Attic helmet decorated with three olive leaves and palmette; on cheek, Γ ('g' in South Arabian). Rev. AΘE Owl standing right, head facing; to left, olive sprig and crescent; above, South Arabian inscription; to right, monogram; all within incuse square. Huth 248. Munro-Hay 1.7ii. Extremely rare with the additional inscription. Somewhat rough, otherwise, very fine.