Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR tmrt – Quarter Unit (9.5mm, 1.22 g, 9h). Imitating Athens. Helmeted head of Athena right, X (t in South Arabian [mark of value]) on cheek / Owl standing right, head facing; olive spray and crescent to left. Van Alfen, Studies, Series SIV.A; CAF 1.1iii; Huth 178. VF, toned.