Watch List notes:

ARABIA, Southern. Saba'. Late 4th–mid 2nd centuries BC. AR nṣf – Unit (14mm, 4.78 g, 5h). Imitating Athens. Helmeted head of Athena right; N (in retrograde South Arabian; mark of value) on cheek / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. Van Alfen, Studies, SII.A, – (unlisted dies); CAF 1.1i; Huth 165-9; HGC 10, 720. Hints of iridescent toning. Good VF.